Alert archive / Texas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 64, NWS San Angelo, TX

March 17, 2008Crockett County, Irion County, Schleicher County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Mar 17, 2008, 10:00 PM CDT for Crockett County, Irion County, Schleicher County, Texas. It was in force for 60 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 17, 2008, 10:00 PM CDT (03:00 UTC)
Expired: Mar 17, 2008, 11:00 PM CDT
In force: 60 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon

Counties Crockett County, TX, Irion County, TX, Schleicher County, TX

The radar

The San Angelo radar (KSJT), 64 km from the middle of the area, began a volume at 03:03 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 17, 6:40 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 3.0 hours before the alert went out and 159 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3377 m above ground
0-6 km bulk shear: 90 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 254 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 17, 6:50 PM CDT, 3 hours 10 minutes earlier.

Area forecast discussion, Mar 17, 6:50 PM CDT, 3 hours 10 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN ANGELO TX
650 PM CDT MON MAR 17 2008

.UPDATE...
ISSUED TORNADO WATCH 126.

&&

.AVIATION...
THUNDERSTORMS EXPECTED TO BECOME MORE WIDESPREAD THIS EVENING
ACROSS WEST CENTRAL TEXAS. CEILINGS WILL BECOME MVFR WITH
OCCASIONAL IFR IN STORMS.

&&

.PREV DISCUSSION... /ISSUED 306 PM CDT MON MAR 17 2008/

SHORT TERM...
STRONG UPPER LEVEL LOW OVER NORTHERN MEXICO WITH SOUTHWEST FLOW
OVER TEXAS...300 MB WINDS OF 100 TO 120 KNOTS. DRYLINE LOCATED
FROM SWEETWATER TO WEST OF DEL RIO. COLD FRONT LOCATED FROM
SOUTHWEST OKLAHOMA INTO THE TEXAS SOUTH PLAINS. TSTMS HAVE
DEVELOPED ALONG THE DRYLINE ACROSS THE WESTERN BIG COUNTRY. LOOKS
LIKE A BUSY NIGHT AND MAIN UPPER LEVEL STORM SYSTEM LIFTS OUT WITH
STRONG DYNAMICS ACROSS WEST CENTRAL TEXAS. ALSO...SURFACE PRESSURE
FALLS WILL STALL DRYLINE NEAR A ABILENE TO SONORA LINE. LOW LEVEL
JET WILL INCREASE TO 50 TO 60 KNOTS ACROSS MAINLY THE EASTERN HALF
OF THE CWFA WITH 500 MB WINDS INCREASING TO CLOSE TO 100 KNOTS.
VERY FAVORABLE SHEAR PROFILE SETTING UP ACROSS THE HEARTLAND AND
NORTHWEST HILL COUNTRY WITH 0-6KM VALUES OF 60 KNOTS AND 0-1KM
VALUES OF AROUND 30 KNOTS. ALSO...CAPE VALUES OF 1000 TO 2000 J/KG
WILL PROVIDE PLENTY OF INSTABILITY. SPC DAY1 OUTLOOK HAS A
MODERATE RISK ACROSS THE NORTHWEST HILL COUNTRY AND HEARTLAND.
SEVERE STORMS A GOOD BET ACROSS MUCH OF THE AREA TONIGHT WITH
LARGE HAIL AND DAMAGING WINDS. ALSO...TORNADOES ARE POSSIBLE.
INCREASING MOISTURE AND COUPLING OF 300 JET WILL LEAD TO THE
POSSIBILITY OF HEAVY RAINFALL...AND THE FLASH FLOOD WATCH ACROSS
THE SOUTHEAST PART OF CWFA LOOKS GOOD. UPPER LEVEL SYSTEM LIFTS
ACROSS TEXAS ON TUESDAY WITH DEFORMATION ZONE FORMING ACROSS THE
CWFA. HAVE LKLY POPS GOING FOR TUESDAY AND CHC POPS FOR TUESDAY
NIGHT.

LONG TERM...
LOOKS LIKE UPPER LEVEL ZONAL FLOW THROUGH THE END OF THE
WEEK...AND THEN THE GFS BRINGS ANOTHER FRONT THROUGH BY THIS
WEEKEND WITH LITTLE MOISTURE TO WORK WITH. WILL GO WITH A DRY
FORECAST WEDNESDAY THROUGH MONDAY. FIRE WEATHER CONCERNS MAY
INCREASE ACROSS MAINLY THE WESTERN PART OF THE CWFA FOR THURSDAY
AND FRIDAY.

&&

.PRELIMINARY POINT TEMPS/POPS...
ABILENE 	 50  57  37  67 /  60  60  30   0
SAN ANGELO 	 53  58  38  70 /  60  60  20   0
JUNCTION 	 54  59  36  71 /  80  60  20   0

&&

.SJT WATCHES/WARNINGS/ADVISORIES...
FLASH FLOOD WATCH THROUGH TUESDAY MORNING FOR BROWN-COLEMAN-
CONCHO-KIMBLE-MASON-MCCULLOCH-MENARD-SAN SABA.

&&

09

Hazardous weather outlook, Mar 17, 2:23 PM CDT, 7 hours 37 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
223 PM CDT MON MAR 17 2008

TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-181930-
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-
223 PM CDT MON MAR 17 2008

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

THIS AFTERNOON...A DRYLINE DEVELOPING FROM OZONA TO MERTZON TO
SWEETWATER AND HASKELL...WILL BE A FOCUS FOR SEVERE THUNDERSTORMS.
THUNDERSTORMS WILL BECOME MORE WIDESPREAD ACROSS WEST CENTRAL
TEXAS TONIGHT AS AN UPPER LEVEL STORM SYSTEM APPROACHES. SOME
THUNDERSTORMS MAY BE SEVERE...WITH THE MAIN THREATS BEING LARGE
HAIL AND DAMAGING WINDS. ALSO TORNADOES WILL BE POSSIBLE. THE
GREATEST THREAT WILL BE ALONG AND EAST OF A THROCKMORTON TO
BALLINGER TO SONORA LINE. FLOODING IS ALSO POSSIBLE TONIGHT...AS
STORMS MOVE NORTHEAST OVER THE PATHS OF PREVIOUS STORMS. A FLASH
FLOOD WATCH IS IN EFFECT TONIGHT ALONG AND EAST OF A SONORA...
EDEN...COLEMAN LINE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TUESDAY AS THE
UPPER SYSTEM MOVES OVER WEST CENTRAL TEXAS. THESE STORMS ARE NOT
EXPECTED TO BE SEVERE.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL BE NEEDED THIS AFTERNOON AND TONIGHT.

In the hours before

Local storm report, Mar 17, 7:42 PM CDT, 2 hours 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
742 PM CDT MON MAR 17 2008

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

0715 PM     HAIL             3 E HAWLEY              32.61N 99.76W
03/17/2008  E0.88 INCH       JONES              TX   TRAINED SPOTTER

&&

HGUERRER

Local storm report, Mar 17, 8:28 PM CDT, 1 hour 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
828 PM CDT MON MAR 17 2008

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

0825 PM     HAIL             LOWAKE                  31.57N 100.08W
03/17/2008  M1.75 INCH       CONCHO             TX   AMATEUR RADIO

&&

HGUERRER

Local storm report, Mar 17, 8:45 PM CDT, 1 hour 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
845 PM CDT MON MAR 17 2008

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

0845 PM     HAIL             4 W WOODSON             33.01N 99.12W
03/17/2008  M0.75 INCH       THROCKMORTON       TX   FIRE DEPT/RESCUE

&&

HGUERRER

Local storm report, Mar 17, 8:49 PM CDT, 1 hour 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
849 PM CDT MON MAR 17 2008

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

0835 PM     HAIL             5 N HAPPY VALLEY        32.20N 100.12W
03/17/2008  E1.75 INCH       TAYLOR             TX   PUBLIC

&&

HGUERRER

Local storm report, Mar 17, 9:13 PM CDT, 47 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
913 PM CDT MON MAR 17 2008

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

0829 PM     TORNADO          5 NNE SILVER VALLEY     32.03N 99.52W
03/17/2008                   COLEMAN            TX   AMATEUR RADIO

&&

HGUERRER

Special weather statement, Mar 17, 9:46 PM CDT, 14 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
946 PM CDT MON MAR 17 2008

TXZ114-128-180330-
SHACKELFORD TX-CALLAHAN TX-
946 PM CDT MON MAR 17 2008

...SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 1030 PM CDT FOR
SHACKELFORD AND CALLAHAN COUNTIES...

AT 942 PM CDT...A STRONG THUNDERSTORM WAS INDICATED BY NATIONAL
WEATHER SERVICE DOPPLER RADAR 3 MILES SOUTHWEST OF IBEX...OR ABOUT 9
MILES SOUTHEAST OF ALBANY...MOVING NORTH AT 20 MPH.

* THE STRONG THUNDERSTORM WILL BE NEAR...
  ALBANY BY 950 PM CDT
  FORT GRIFFIN BY 1030 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.

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 17, 7:07 PM CDT	Severe Thunderstorm Warning	SJT	Coleman, Runnels	38 min
Mar 17, 7:17 PM CDT	Severe Thunderstorm Warning	SJT	Irion, Tom Green	18 min
Mar 17, 7:19 PM CDT	Severe Thunderstorm Warning	SJT	Jones, Shackelford	41 min
Mar 17, 7:45 PM CDT	Severe Thunderstorm Warning	SJT	Runnels, Taylor	30 min
Mar 17, 7:46 PM CDT	Tornado Warning	SJT	Coleman, Runnels	44 min
Mar 17, 7:49 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Jones, Taylor	26 min
Mar 17, 7:51 PM CDT	Tornado Warning	SJT	Kimble, Mason	39 min
Mar 17, 7:52 PM CDT	Severe Thunderstorm Warning	SJT	Haskell, Jones, Shackelford, Throckmorton	38 min
Mar 17, 7:56 PM CDT	Tornado Warning	SJT	Runnels, Taylor	49 min
Mar 17, 8:01 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Nolan, Runnels, Taylor	29 min
Mar 17, 8:06 PM CDT	Severe Thunderstorm Warning	SJT	Jones, Shackelford	24 min
Mar 17, 8:16 PM CDT	Tornado Warning	SJT	Nolan, Taylor	36 min
Mar 17, 8:20 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Jones, Shackelford, Taylor	25 min
Mar 17, 8:20 PM CDT	Severe Thunderstorm Warning	SJT	Runnels	25 min
Mar 17, 8:24 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch, Mason	51 min
Mar 17, 8:26 PM CDT	Tornado Warning	SJT	Callahan, Coleman	49 min
Mar 17, 8:27 PM CDT	Severe Thunderstorm Warning	SJT	Haskell	18 min
Mar 17, 8:29 PM CDT	Severe Thunderstorm Warning	SJT	Shackelford, Throckmorton	31 min
Mar 17, 8:38 PM CDT	Severe Thunderstorm Warning	SJT	Jones, Shackelford	37 min
Mar 17, 8:44 PM CDT	Severe Thunderstorm Warning	SJT	Runnels	46 min
Mar 17, 8:47 PM CDT	Severe Thunderstorm Warning	SJT	Jones, Taylor	28 min
Mar 17, 8:56 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch	21 min
Mar 17, 8:59 PM CDT	Severe Thunderstorm Warning	SJT	Shackelford, Throckmorton	31 min
Mar 17, 9:02 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Jones, Shackelford, Taylor	27 min
Mar 17, 9:06 PM CDT	Severe Thunderstorm Warning	SJT	Irion, Sterling, Tom Green	39 min
Mar 17, 9:12 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Shackelford	33 min
Mar 17, 9:22 PM CDT	Tornado Warning	SJT	Coleman, Runnels	23 min
Mar 17, 9:37 PM CDT	Severe Thunderstorm Warning	SJT	Irion, Sterling, Tom Green	38 min
Mar 17, 9:38 PM CDT	Tornado Warning	SJT	Coleman	52 min
Mar 17, 10:05 PM CDT	Severe Thunderstorm Warning	SJT	Tom Green	40 min
Mar 17, 10:05 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Nolan, Runnels, Sterling	40 min
Mar 17, 10:06 PM CDT	Severe Thunderstorm Warning	SJT	Crockett, Schleicher, Sutton	54 min
Mar 17, 10:12 PM CDT	Tornado Warning	SJT	Coke, Nolan, Runnels	48 min
Mar 17, 10:20 PM CDT	Tornado Warning	SJT	Schleicher, Sutton	40 min
Mar 17, 10:38 PM CDT	Severe Thunderstorm Warning	SJT	Tom Green	52 min
Mar 17, 10:43 PM CDT	Tornado Warning	SJT	Irion, Sterling, Tom Green	47 min
Mar 17, 10:52 PM CDT	Tornado Warning	SJT	Schleicher	23 min
Mar 17, 10:59 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Nolan, Runnels, Taylor	46 min
Mar 17, 10:59 PM CDT	Tornado Warning	SJT	Crockett, Sutton	46 min
Mar 17, 11:16 PM CDT	Tornado Warning	SJT	Schleicher, Tom Green	44 min
Mar 17, 11:24 PM CDT	Severe Thunderstorm Warning	SJT	Schleicher	51 min
Mar 17, 11:26 PM CDT	Flash Flood Warning	SJT	Coke, Crockett, Irion, Schleicher, Sutton, Tom Green	2 hr
Mar 17, 11:26 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Irion, Runnels, Tom Green	64 min
Mar 17, 11:42 PM CDT	Severe Thunderstorm Warning	SJT	Concho, Tom Green	38 min
Mar 17, 11:49 PM CDT	Severe Thunderstorm Warning	SJT	Schleicher, Tom Green	41 min
Mar 17, 11:53 PM CDT	Flash Flood Warning	SJT	Runnels, Taylor	2 hr
Mar 18, 12:13 AM CDT	Severe Thunderstorm Warning	SJT	Runnels, Taylor	62 min
Mar 18, 12:23 AM CDT	Severe Thunderstorm Warning	SJT	Schleicher, Tom Green	52 min
Mar 18, 12:57 AM CDT	Tornado Warning	SJT	Sutton	48 min
Mar 18, 1:25 AM CDT	Severe Thunderstorm Warning	SJT	Throckmorton	35 min
Mar 18, 1:32 AM CDT	Tornado Warning	SJT	Schleicher, Sutton	24 min
Mar 18, 1:38 AM CDT	Flash Flood Warning	SJT	Crockett, Schleicher, Sutton	6 hr
Mar 18, 2:32 AM CDT	Tornado Warning	SJT	Kimble, Sutton	28 min
Mar 18, 2:58 AM CDT	Tornado Warning	SJT	Kimble	32 min
Mar 18, 3:25 AM CDT	Tornado Warning	SJT	Menard	35 min
Mar 18, 3:53 AM CDT	Tornado Warning	SJT	Concho, McCulloch, Menard	52 min
Mar 18, 5:01 AM CDT	Tornado Warning	SJT	McCulloch	29 min

Nearby

Severe Thunderstorm Warnings in Texas, 2008 Every severe thunderstorm warning in 2008

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.