Alert archive / Texas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 19, NWS San Angelo, TX

March 25, 2009Kimble County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Mar 25, 2009, 4:05 PM CDT for Kimble County, Texas. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Mar 25, 2009, 4:05 PM CDT (21:05 UTC)
Expired: Mar 25, 2009, 4:30 PM CDT
In force: 25 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon

County Kimble County, TX

The radar

The San Angelo radar (KSJT), 121 km from the middle of the area, began a volume at 21:08 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 25, 2:06 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 9.1 hours before the alert went out and 163 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1215 J/kg
Mixed-layer CIN: -75 J/kg
Mixed-layer LCL: 976 m above ground
0-6 km bulk shear: 73 kt
0-1 km storm-relative helicity: 149 m²/s²
0-3 km storm-relative helicity: 223 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 25, 3:54 PM CDT, 11 minutes earlier.

Area forecast discussion, Mar 25, 3:54 PM CDT, 11 minutes before

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Hazardous weather outlook, Mar 25, 3:12 PM CDT, 53 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
312 PM CDT WED MAR 25 2009

TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-262015-
FISHER-NOLAN-STERLING-COKE-RUNNELS-IRION-TOM GREEN-CONCHO-
CROCKETT-SCHLEICHER-SUTTON-HASKELL-THROCKMORTON-JONES-SHACKELFORD-
TAYLOR-CALLAHAN-COLEMAN-BROWN-MCCULLOCH-SAN SABA-MENARD-KIMBLE-
MASON-
312 PM CDT WED MAR 25 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL
TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

SEVERE THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS WEST CENTRAL
TEXAS THIS AFTERNOON AND EVENING. THE GREATEST THREATS WILL BE
LARGE HAIL AND DAMAGING WINDS. HOWEVER...A FEW ISOLATED TORNADOES
ARE POSSIBLE...MAINLY ALONG AND SOUTH OF A LINE FROM SONORA TO
MASON WHERE A SURFACE WARM FRONT MAY ENHANCE UPDRAFT ROTATION.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

MUCH DRIER AIR WILL MOVE INTO WEST CENTRAL TEXAS TOMORROW.
THEREFORE...EXPECT ELEVATED FIRE DANGER TOMORROW AFTERNOON. THE
GREATEST FIRE DANGER WILL BE ACROSS THE BIG COUNTRY AND NORTHERN
CONCHO VALLEY TOMORROW AFTERNOON WHERE WINDS WILL BE STRONGEST.

.SPOTTER INFORMATION STATEMENT...

WE WILL CONTINUE TO NEED SPOTTERS THIS AFTERNOON AND EARLY
EVENING...MAINLY ACROSS THE HEARTLAND AND NORTHWEST HILL COUNTRY.

23/HUBER

In the hours before

Special weather statement, Mar 25, 1:49 PM CDT, 2 hours 16 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
149 PM CDT WED MAR 25 2009

TXZ073-251945-
CONCHO TX-
149 PM CDT WED MAR 25 2009

...SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 245 PM CDT FOR CONCHO
COUNTY...

AT 147 PM CDT...A LINE OF STRONG THUNDERSTORMS WAS INDICATED BY
NATIONAL WEATHER SERVICE DOPPLER RADAR FROM 3 MILES NORTHWEST OF
EDEN TO THE ESOUTHWEST CORNER OF CONCHO COUNTY...MOVING EAST AT 25
MPH.

* THE STRONG THUNDERSTORM WILL BE NEAR...
  EDEN BY 150 PM CDT
  THE INTERSECTION OF US-83 AND RANCH ROAD 765 BY 155 PM CDT
  THE INTERSECTION OF US-87 AND RANCH ROAD 2134 BY 205 PM CDT

PEA SIZE HAIL AND WIND GUSTS TO 50 MPH ARE LIKELY WITH THIS STORM.
HEAVY RAINFALL WILL CAUSE PONDING OF WATER ON AREA ROADWAYS...
ESPECIALLY THOSE IN POOR DRAINAGE AREAS. RESIDENTS ARE ENCOURAGED TO
MONITOR THE SITUATION CLOSELY AND BE PREPARED TO TAKE THE PROPER
ACTIONS SHOULD A WARNING BE ISSUED.

Local storm report, Mar 25, 2:07 PM CDT, 1 hour 58 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
207 PM CDT WED MAR 25 2009

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

0158 PM     HAIL             24 E SONORA             30.57N 100.24W
03/25/2009  E0.75 INCH       SUTTON             TX   AMATEUR RADIO

            PENNY TO NICKEL SIZE HAIL.

&&

08

Local storm report, Mar 25, 2:13 PM CDT, 1 hour 52 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
213 PM CDT WED MAR 25 2009

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

0210 PM     HAIL             11 NNW ROOSEVELT        30.63N 100.13W
03/25/2009  E1.00 INCH       SUTTON             TX   AMATEUR RADIO

&&

08

Special weather statement, Mar 25, 2:19 PM CDT, 1 hour 46 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
219 PM CDT WED MAR 25 2009

TXZ073-154-252015-
CONCHO TX-MCCULLOCH TX-
219 PM CDT WED MAR 25 2009

...SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 315 PM CDT FOR CONCHO
AND MCCULLOCH COUNTIES...

AT 217 PM CDT...A LINE OF STRONG THUNDERSTORMS WAS INDICATED BY
NATIONAL WEATHER SERVICE DOPPLER RADAR FROM 5 MILES NORTHEAST OF
LOHN TO 10 MILES SOUTHWEST OF EDEN...MOVING EAST AT 30 MPH.

* THE STRONG THUNDERSTORM WILL BE NEAR...
  SALT GAP BY 235 PM CDT
  PEAR VALLEY BY 245 PM CDT
  LOHN BY 255 PM CDT
  FIFE AND WALDRIP BY 300 PM CDT

PEA SIZE HAIL AND WIND GUSTS TO 50 MPH ARE LIKELY WITH THIS STORM.
HEAVY RAINFALL WILL CAUSE PONDING OF WATER ON AREA ROADWAYS...
ESPECIALLY THOSE IN POOR DRAINAGE AREAS. RESIDENTS ARE ENCOURAGED TO
MONITOR THE SITUATION CLOSELY AND BE PREPARED TO TAKE THE PROPER
ACTIONS SHOULD A WARNING BE ISSUED.

Local storm report, Mar 25, 3:18 PM CDT, 47 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
318 PM CDT WED MAR 25 2009

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

0307 PM     HAIL             1 S LONDON              30.66N 99.58W
03/25/2009  E1.75 INCH       KIMBLE             TX   LAW ENFORCEMENT

            GOLFBALL HAIL 1 MILE SOUTH OF LONDON.

&&

SN

Local storm report, Mar 25, 3:57 PM CDT, 8 minutes before

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The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 25, 10:28 AM CDT	Tornado Warning	SJT	Brown, Callahan, Coleman	32 min
Mar 25, 11:32 AM CDT	Severe Thunderstorm Warning	SJT	Coke, Runnels, Tom Green	43 min
Mar 25, 11:45 AM CDT	Severe Thunderstorm Warning	SJT	Runnels, Taylor	45 min
Mar 25, 12:15 PM CDT	Severe Thunderstorm Warning	SJT	Runnels	45 min
Mar 25, 12:35 PM CDT	Severe Thunderstorm Warning	SJT	Concho, Tom Green	40 min
Mar 25, 1:34 PM CDT	Severe Thunderstorm Warning	SJT	Concho, McCulloch	41 min
Mar 25, 1:42 PM CDT	Severe Thunderstorm Warning	SJT	Kimble, Menard, Sutton	48 min
Mar 25, 2:11 PM CDT	Severe Thunderstorm Warning	SJT	Schleicher, Tom Green	34 min
Mar 25, 2:31 PM CDT	Severe Thunderstorm Warning	SJT	Kimble, Menard, Sutton	44 min
Mar 25, 2:39 PM CDT	Severe Thunderstorm Warning	SJT	Concho, Menard, Schleicher, Tom Green	36 min
Mar 25, 3:04 PM CDT	Severe Thunderstorm Warning	SJT	Kimble, Mason, Menard	41 min
Mar 25, 3:10 PM CDT	Severe Thunderstorm Warning	SJT	Menard	35 min
Mar 25, 3:15 PM CDT	Severe Thunderstorm Warning	SJT	Kimble	15 min
Mar 25, 3:28 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch, Mason, Menard	47 min
Mar 25, 3:42 PM CDT	Severe Thunderstorm Warning	SJT	Mason	48 min
Mar 25, 3:49 PM CDT	Tornado Warning	SJT	Mason	26 min

Nearby

Severe Thunderstorm Warnings in Texas, 2009 Every severe thunderstorm warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.