Thursday, April 10, 2008

Mother Nature Smacks Texas

What a wild and crazy day across my home state yesterday. After a round of some elevated hailers across the Panhandle, the atmosphere reached an explosive state by afternoon south of a warm front from the Permian Basin into the Arklatex.

A brutal monster of a supercell erputed near Sweetwater and twisted it's way to Texoma. It was a very impressive and powerful supercell on radar. Breckenridge, one of my favorite towns in Texas, took a hit as a significant tornado plowed through the south and east parts of town. It would continue to wreak havoc with a few more tornadoes before it crossed the Red River west of Sherman. As it approached the town of Whitesboro, where my sister and niece live, I was on the phone with them as they took shelter. I watched as the center of rotation on radar passed directly over them. A stormchaser reported seeing a tornado roughly NE of Whitesboro.

Then, a very powerful squall lines developed later that night and bulldozed across the norther part of the state. This mini-derecho produced incredible amounts of severe damage mostly around the DFW Metroplex. It even eclipsed the big derecho event back in 1996. The NWS is busy performing damage surveys, but I strongly suspect two or three embedded tornadoes in the squall line are responsible for the worst damage. Still, straight line winds were measured at 75+ mph at several locations. I suspect some localized downbursts exceeded 100mph. I look forward to the official NWS assessment.

One of the best reports of the event I've seen so far is by the Dallas Morning News (click here). They have lots of pictures and photos as a well written summary of all of the damage. Initial estimates are $20 million in damage and expected to go much higher. Other notable news coverage is KXAS TV (click here)

As I'm writing this, the NWS reports are coming in. An EF1 tornado is confirmed in DeSoto and in Johnson County. They are still putting together their information, and I'm sure they will be working tomorrow too. Here is a great radar presentation of the events:

http://www.srh.noaa.gov/fwd/April0910/april0910.htm

I'm going to repost the reports since URLs tend to change. As always, a great report. I'll report any additional survey reports in seperate blog post.

DFW METRO

PUBLIC INFORMATION STATEMENTNATIONAL
WEATHER SERVICE FORT WORTH TX
845 PM CDT THU APR 10 2008

...PRELIMINARY RESULTS OF DAMAGE SURVEYS IN TARRANT...COLLIN...DALLAS...AND JOHNSON COUNTIES FROM EARLY MORNING STORMS ON APRIL10TH...

A SURVEY TEAM FROM THE NATIONAL WEATHER SERVICE IN FORT WORTH SURVEYED DAMAGE THURSDAY AFTERNOON FROM THUNDERSTORMS IN THE DALLAS-FORT WORTH METROPLEX EARLIER TODAY. THE WIDESPREAD WIND DAMAGE RESULTED FROM AN INTENSE LINE OF THUNDERSTORMS THAT DEVELOPED INTO A BOW ECHO AS IT APPROACHED THE METROPLEX. THE TERM BOW ECHO DESCRIBES THE RADAR PRESENTATION OF THE STORMS...WHICH ACCELERATES OR BOWS OUT AS A RESULT OF THE STRONG WINDS.

WHILE MOST OF THE DAMAGE SURVEYED SUGGESTED STRAIGHT-LINE WINDS OF 70 TO 75 MPH...AT LEAST TWO TORNADOES OCCURRED WITH AN INTENSE CIRCULATION ACROSS NORTHEAST JOHNSON COUNTY AND SOUTHERN DALLAS COUNTY.

THE JOHNSON COUNTY TORNADO TOUCHED DOWN NORTH OF ALVARADO NEAR HAPPY HILL AT APPROXIMATELY 330 AM CDT AND TRAVELED NORTHEAST FOR APPROXIMATELY 3 MILES TO PLEASANT POINT. SEVERAL HOMES SUSTAINED SIGNIFICANT ROOF DAMAGE...AND AT LEAST THREE HOMES WERE CONSIDERED TOTAL LOSSES. MANY SHEDS...DETACHED GARAGES...AND OTHER SMALL OUTBUILDINGS WERE DAMAGED OR DESTROYED. SEVERAL TREES WERE UPROOTED...AND AT LEAST TWO FELL ONTO HOMES. POWER LINES WERE DOWNED THROUGHOUT THE AREA. THIS TORNADO IS RATED EF-1 WITH ESTIMATED WINDSPEEDS OF 90 TO 95 MPH. THE PATH WIDTH IS ESTIMATED TO BE APPROXIMATELY 50 YARDS WIDE.

THE SECOND TORNADO TOUCHED DOWN IN DESOTO AT APPROXIMATELY 4 AM IN THE CENTRAL PORTION OF THE CITY ALONG MEADOWBROOK ROAD JUST WEST OF HAMPTON ROAD AND TRAVELED EAST-NORTHEAST TO NEAR THE EASTERN LIMITS OF THE CITY JUST NORTH OF WINTERGREEN ROAD. AGAIN...SEVERAL HOMES HAD SUBSTANTIAL ROOF DAMAGE...WITH ONE HOME NEAR THE BEGINNING OF THE TRACK LOSING THE MAJORITY OF THE ROOF. MANY DOWNED TREES WERE OBSERVED ALONG WITH DAMAGE TO SHEDS AND OUTBUILDINGS. POWER POLES AND POWER LINES WERE ALSO DOWNED. THIS TORNADO IS ALSO RATED EF-1 WITH ESTIMATED WIND SPEEDS OF 95 MPH AND A PATH WIDTH OF 40 YARDS.

MORE ISOLATED DAMAGE WAS REPORTED SOUTHWEST OF THE TORNADO ACROSS SOUTHWEST SECTIONS OF DESOTO...BUT THIS DAMAGE WAS MORE SCATTERED INNATURE AND APPEARS TO BE THE RESULT OF STRAIGHT-LINE WINDS.

THE SURVEY TEAM ALSO SURVEYED DAMAGE IN THE MID CITIES AREA AND INTOSOUTHWEST COLLIN COUNTY IN PLANO. WHILE MUCH OF THE OBSERVED DAMAGE IS CONSISTENT WITH HIGH-END STRAIGHT LINE WINDS OF 75 TO 80MPH

...ADDITIONAL INFORMATION IS BEING GATHERED FROM THESE AREAS FROMEMERGENCY MANAGEMENT OFFICIALS AND EYEWITNESS ACCOUNTS...AND THIS ASSESSMENT SHOULD BE CONSIDERED PRELIMINARY.

THIS DAMAGING LINE OF THUNDERSTORMS WAS PART OF ONE OF THE MOST ACTIVE 24-HOUR PERIODS IN RECENT NORTH TEXAS WEATHER HISTORY. WE WILL CONTINUE REVIEWING THE METEOROLOGICAL DATA AND THE DAMAGE ACROSS OUR AREA TO DOCUMENT AS FULLY AS POSSIBLE THE IMPACTS OF THIS SIGNIFICANT EVENT. WE WILL PREPARE AND DISTRIBUTE ADDITIONAL STATEMENTS AS THE INFORMATION BECOMES AVAILABLE.

$$BUNTING

======================================================================

STEPHENS/PALO PINTO COUNTIES

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
545 PM CDT THU APR 10 2008

...PRELIMINARY RESULTS OF STEPHENS/PALO PINTO COUNTY DAMAGE SURVEY...
ON TUESDAY APRIL 10...STAFF FROM THE NATIONAL WEATHER SERVICE IN FORT
WORTH TOURED DAMAGE AREAS IN STEPHENS AND PALO PINTO COUNTIES.
PRELIMINARY FINDINGS FROM EACH SURVEY ARE GIVEN BELOW.

...STEPHENS COUNTY..
BASED ON GROUND AND AERIAL SURVEYS OF THE DAMAGE AREA...IT APPEARS
TWO TORNADOES OCCURRED IN STEPHENS COUNTY. THE FIRST TORNADO
DEVELOPED ALONG FARM ROAD 576 EAST OF THE EOLIAN COMMUNITY. TREES
AND A SHED WERE DAMAGED WEST OF THE INTERSECTION OF F.M. 576 AND
F.M. 3418. A LARGE METAL BUILDING WAS DAMAGED ALONG F.M. 3418 AND
SEVERAL LARGE STORAGE CONTAINERS WERE BLOWN ACROSS THE ROAD. THIS
TORNADO WILL BE RATED AS AN EF-0 WITH WINDS OF AROUND 80-85 MPH.
PATH LENGTH WAS 2.3 MILES AND AVERAGE PATH WIDTH AROUND 75 YARDS.
THE SECOND DAMAGE SWATH STARTED APPROXIMATELY 1/2 MILE WEST OF U.S.
183 AND SOUTH OF F.M. 2231. POWER POLE DAMAGE WAS NOTED ALONG F.M.
2231 AND U.S. 183. ROOF AND BARN DAMAGE OCCURRED ALONG U.S. 183 AS
WELL.

THE MOST SIGNIFICANT DAMAGE OCCURRED AT AND JUST WEST OF THE
STEPHENS COUNTY AIRPORT. SEVERAL HOMES HAD CONSIDERABLE DAMAGE
ALONG COUNTY ROAD 150. SEVERAL OF THE AIRPORT BUILDINGS HAD OVERHEAD
DOORS BLOWN IN...ROOF DAMAGE...AND DAMAGE TO SOME OF THE GIRDERS.


NORTHEAST OF THE AIRPORT...ADDITIONAL DAMAGE TO POWER POLES WAS
NOTED NEAR THE EASTERN END OF F.M. 2231. THE DAMAGE SWATH
CONTINUED ACROSS U.S. 180 BETWEEN HIGHWAYS 67 AND 207. DAMAGE TO
MOBILE HOMES...ROOFS...POWER POLES...AND STORAGE BUILDINGS OCCURRED
IN THIS AREA. THIS TORNADO WILL BE RATED AS AN UPPER-END EF-1 WITH
WINDS NEAR 110 MPH. PATH LENGTH WAS 7.1 MILES...AND THE AVERAGE PATH
WIDTH WAS AROUND 400 YARDS.


...PALO PINTO COUNTY...

BASED ON A SURVEY OF THE DAMAGE NEAR THE ORAN COMMUNITY IN NORTHEAST


PALO PINTO COUNTY...IT WAS DETERMINED THAT A TORNADO AFFECTED THIS
AREA. THE DAMAGE SWATH BEGAN JUST WEST OF ORAN. SEVERAL TREES WERE
UPROOTED OR HAD LARGE LIMBS SNAPPED. A FEW HOMES IN ORAN HAD PORTIONS
OF ROOFS REMOVED. EAST OF ORAN ON F.M. 52...POWER POLES WERE SNAPPED.
THIS TORNADO WILL BE RATED AN EF-1 WITH WINDS OF 85-90 MPH. PATH
LENGTH WAS 1.6 MILES AND AVERAGE PATH WIDTH WAS 100 YARDS.


THIS SUPERCELL THUNDERSTORM WAS PART OF ONE OF THE MOST ACTIVE 24-
HOUR PERIODS IN RECENT NORTH TEXAS WEATHER HISTORY. WE WILL CONTINUE
REVIEWING THE METEOROLOGICAL DATA AND THE DAMAGE ACROSS OUR AREA TO
DOCUMENT AS FULLY AS POSSIBLE THE IMPACTS OF THIS SIGNIFICANT EVENT.
WE WILL PREPARE AND DISTRIBUTE ADDITIONAL STATEMENTS AS THE
INFORMATION BECOMES AVAILABLE.

$$

WOODALL

========================================================================

Here are the official storm reports...and interesting read. I've only included the more significant reports.

PRELIMINARY LOCAL STORM REPORT...SUMMARY OF REPORTS
NATIONAL WEATHER SERVICE FORT WORTH TX
1105 AM CDT THU APR 10 2008

..TIME.. ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE.. ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..



0516 PM TORNADO 3 S BRECKENRIDGE 32.71N 98.91W
04/09/2008 STEPHENS TX NWS EMPLOYEE

OVERTURNED SEMI ON US 183 3 MI SOUTH OF BRECKENRIDGE.
NUMEROUS TREES AND POWERPOLES DOWN. ROOF OFF HOUSE
AT CR 150 AND US 183. FOLLOWUP FROM PREVIOUS REPORTS.
DAMAGE SURVEY UNDERWAY THURSDAY MORNING.



0520 PM TORNADO 1 E BRECKENRIDGE 32.76N 98.90W
04/09/2008 STEPHENS TX NWS EMPLOYEE

PARTIAL ROOF DAMAGE EAST SIDE OF TOWN ALONG HWY 180.
DAMAGE FROM S OF TOWN TO HIGHWAY 67



0650 PM TORNADO GRAFORD 32.94N 98.25W
04/09/2008 PALO PINTO TX BROADCAST MEDIA

TORNADO TOUCHDOWN NEAR GRAFORD. RELAYED BY MEDIA.



0655 PM TSTM WND DMG 5 E GRAFORD 32.94N 98.16W
04/09/2008 PALO PINTO TX BROADCAST MEDIA

DAMAGE IN ORAN AT ORAN AND JOHNSON ROADS. RELAYED BY
MEDIA



0720 PM HAIL 5 SE BRIDGEPORT 33.16N 97.70W
04/09/2008 E2.75 INCH WISE TX PUBLIC

BASEBALL HAIL NEAR BALSORA. CORRECTED TIME.



0752 PM HAIL DECATUR 33.23N 97.59W
04/09/2008 E2.50 INCH WISE TX AMATEUR RADIO

REPORTED BY AMATEUR RADIO SPOTTERS



0222 AM TSTM WND DMG COMANCHE 31.90N 98.60W
04/10/2008 COMANCHE TX LAW ENFORCEMENT

COMPLETE ROOF LOSS ON A BUILDING IN DOWNTOWN COMANCHE



0240 AM TSTM WND DMG 5 NE MORGAN MILL 32.44N 98.10W
04/10/2008 ERATH TX TRAINED SPOTTER

LARGE TREE BLOWN ONTO A HOME IN EXTREME NORTHEAST ERATH
COUNTY



0245 AM TSTM WND DMG LIPAN 32.52N 98.05W
04/10/2008 HOOD TX TRAINED SPOTTER

ROOF PARTIALLY BLOWN OFF A HOUSE



0245 AM TSTM WND DMG 5 N STEPHENVILLE 32.29N 98.22W
04/10/2008 ERATH TX LAW ENFORCEMENT

STRUCTURAL DAMAGE REPORTED 5 MILES NORTH OF STEPHENVILLE
ALONG 108 AND 426. ALSO NUMEROUS TREES DOWN ACROSS THE
COUNTY



0255 AM TSTM WND DMG 10 SW BENBROOK 32.58N 97.58W
04/10/2008 PARKER TX NWS EMPLOYEE

BEDROOM WINDOWS BLOWN INTO HOUSE.



0300 AM TSTM WND DMG GLEN ROSE 32.24N 97.75W
04/10/2008 SOMERVELL TX LAW ENFORCEMENT

NUMEROUS STRUCTURES DAMAGED



0309 AM TSTM WND DMG GLEN ROSE 32.24N 97.75W
04/10/2008 SOMERVELL TX AMATEUR RADIO

LARGE TREE DOWN IN GLEN ROSE



0311 AM TSTM WND DMG ALEDO 32.70N 97.60W
04/10/2008 PARKER TX PUBLIC

HOME SUSTAINED DAMAGE...DEBRIS THROUGH WINDOWS



0316 AM TSTM WND GST FORT WORTH 32.75N 97.34W
04/10/2008 M63 MPH TARRANT TX OTHER FEDERAL

MEASURED GUST AT KNFW - JOINT RESERVE BASE



0317 AM TSTM WND DMG 1 S SAGINAW 32.85N 97.37W
04/10/2008 TARRANT TX NWS EMPLOYEE

DEL MONTE PLANT SUFFERED ROOF DAMAGE AND EMPTY TRAILERS
TURNED OVER



0321 AM TSTM WND GST 5 N FORT WORTH 32.83N 97.34W
04/10/2008 M69 MPH TARRANT TX ASOS

PEAK GUST MEASURED AT FORT WORTH MEACHAM (KFTW)



0330 AM TSTM WND DMG BURLESON 32.53N 97.33W
04/10/2008 JOHNSON TX SELECT

NUMEROUS POWER FLASHES IN BURLESON. POWER POLES DOWN



0330 AM TSTM WND DMG 8 NE KEENE 32.48N 97.23W
04/10/2008 JOHNSON TX EMERGENCY MNGR

WIDESPREAD DAMAGE BETWEEN I-35 AND LILLIAN. NUMEROUS
ROOFS TORN OFF HOUSES AND NUMEROUS TREES DOWN.
(now a confirmed tornado)



0332 AM TSTM WND DMG DALLAS 32.79N 96.77W
04/10/2008 DALLAS TX EMERGENCY MNGR

LARGE TOWERING TREE SPLIT TO BASE IN NORTH DALLAS



0335 AM TSTM WND DMG EULESS 32.85N 97.08W
04/10/2008 TARRANT TX PUBLIC

ROOF OFF APARTMENT COMPLEX IN EULESS ALONG SAGEBRUSH



0340 AM TSTM WND GST 3 SE GRAPEVINE 32.90N 97.04W
04/10/2008 M75 MPH TARRANT TX ASOS

WIND GUST MEASURED AT DFW INTERNATIONAL AIRPORT



0350 AM TSTM WND DMG IRVING 32.86N 96.97W
04/10/2008 DALLAS TX AMATEUR RADIO

3 LARGE TRANSMITTER TOWERS DOWN NEAR INTERSTATE 635 AND
MACARTHUR



0352 AM TSTM WND DMG DESOTO 32.60N 96.86W
04/10/2008 DALLAS TX AMATEUR RADIO

CARS ON ROOFS AND SEVERAL COLLAPSED BUILDINGS AT CORNER
OF HAMPTON AND WINTER GREEN IN DESOTO
(now a confirmed tornado)



0402 AM TSTM WND GST WACO 31.57N 97.18W
04/10/2008 M66 MPH MCLENNAN TX ASOS

KACT ASOS MEASURED GUST TO 57 KNOTS



0403 AM TSTM WND GST MCKINNEY 33.20N 96.65W
04/10/2008 E65 MPH COLLIN TX AMATEUR RADIO

65MPH WIND IN MCKINNEY ALSO HALF INCH HAIL



0410 AM TSTM WND DMG HILLSBORO 32.01N 97.12W
04/10/2008 HILL TX LAW ENFORCEMENT

LARGE TREE DOWN OVER COUNTY ROAD 4281



0410 AM TSTM WND DMG 5 S SHERMAN 33.55N 96.61W
04/10/2008 GRAYSON TX LAW ENFORCEMENT

POWERLINES AND TREES DOWN



0413 AM TSTM WND DMG TEMPLE 31.10N 97.36W
04/10/2008 BELL TX TRAINED SPOTTER

ROOF TORN OFF SEVERAL STRUCTURES AT THE INTERSECTION OF
CALHOUN AND 13TH ST



0417 AM TSTM WND GST MCKINNEY 33.20N 96.65W
04/10/2008 E87 MPH COLLIN TX AMATEUR RADIO

EAST SIDE OF MCKINNEY



0431 AM TSTM WND DMG ADDISON 32.96N 96.84W
04/10/2008 DALLAS TX PUBLIC

DAMAGE TO SEVERAL CARPORTS AND 1-FT. DIAMETER TREE
KNOCKED DOWN.



0445 AM TSTM WND DMG HUBBARD 31.85N 96.80W
04/10/2008 HILL TX LAW ENFORCEMENT

POWERLINE DOWN OVER INTERSECTION OF PECAN AND SE 2ND.



0515 AM TSTM WND DMG COOPER 33.37N 95.69W
04/10/2008 DELTA TX LAW ENFORCEMENT

SEVERAL TREES AND LARGE LIMBS DOWN ACROSS COUNTY



0516 AM TSTM WND DMG TERRELL 32.73N 96.29W
04/10/2008 KAUFMAN TX LAW ENFORCEMENT

ONE LARGE TIN BUILDING ON MR. B`S BLVD.



0530 AM TSTM WND DMG FAIRFIELD 31.72N 96.17W
04/10/2008 FREESTONE TX LAW ENFORCEMENT

LARGE TREES DOWN ACROSS COUNTY



0540 AM TSTM WND DMG EDGEWOOD 32.69N 95.88W
04/10/2008 VAN ZANDT TX EMERGENCY MNGR

TREES DOWN. RELAYED VIA AMATEUR RADIO




3 Comments:

Blogger Steve Miller said...

All of these tornado reports yet I haven't seen one singly picture or video of the tornado...
Storm chasers are getting lax.

Fri Apr 11, 03:29:00 PM CDT  
Blogger Steve Miller TX said...

I'm glad I stayed home in Amarillo seing how "I didn't miss much". LOL!! I jest. It definitely looked like a tough chase...as are most warm front chases this time of year...especially in the hills and trees. I've chased too often in that territory with frustrating results.

Mon Apr 14, 12:41:00 PM CDT  
Blogger Glenn said...

I went out with the spotters that night but didn't check in as they had the county covered well. Got *very* close to the cell that did the damage in Breckenridge. It also touched down again near Whitesboro. But all I saw was heavy inflow and lots of CG's. Too dark to get so close though. Oh well.

Mon Apr 14, 01:36:00 PM CDT  

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