Alert archive / Texas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 171, NWS San Angelo, TX

May 27, 2002Shackelford County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at May 27, 2002, 2:03 PM CDT for Shackelford County, Texas. It was in force for 57 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: May 27, 2002, 2:03 PM CDT (19:03 UTC)
Expired: May 27, 2002, 3:00 PM CDT
In force: 57 min
Issued by: NWS San Angelo, TX
Area: Counties, with a storm outline in the text

County Shackelford County, TX

The watch it was issued in

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

Issued	Product	Office	Lasted
May 27, 1:15 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 7.1 hours before the alert went out and 193 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: 525 J/kg
Mixed-layer CIN: -221 J/kg
Mixed-layer LCL: 1185 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: -64 m²/s²
0-3 km storm-relative helicity: 25 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.4

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 May 27, 1:05 PM CDT, 58 minutes earlier.

Area forecast discussion, May 27, 1:05 PM CDT, 58 minutes before

WEST CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN ANGELO TX
105 PM CDT MON MAY 27 2002

A FORECAST SLOGAN I PICKED UP IN NEW ORLEANS WAS IF IT RAINS BEFORE
10 IT WILL RAIN AGAIN...NOT THAT W TEXAS WEATHER IS ANYTHING LIKE
NEW ORLEANS...BUT I DID GET LIGHT RAIN DRIVING INTO WORK THIS
MORNING...SO BASED ON THE SLOGAN...IT WILL RAIN AGAIN.

SHOWERS AND THUNDERSTORMS GREETED MANY A BARBEQUE AND POOL PARTY
THIS MEMORIAL DAY ACROSS WEST CENTRAL TX.  AS MOIST UNSTABLE AIR
RESPONDS TO IMPULSES SPINNING AROUND THE MID LEVEL SYSTEM ACROSS
NORTHERN NEW MEXICO.  THINGS DONT CHANGE MUCH OVER THE NEXT DAY OR
SO...SO CHANCES FOR RAIN REMAIN.  NUMEROUS OUTFLOW BOUNDARIES...AN
OLD FRONTAL BOUNDARY AND ENERGY ALOFT SHOULD ALL INTERACT TO SPAWN
NUMEROUS SHOWERS AND THUNDERSTORMS.  WITH THE HIGHEST THREAT TOWARD
THE BIG COUNTRY.

MOST OF OUR AREA HAS SEEN SHOWER ACTIVITY TODAY...CLEARER CONDITIONS
TO OUR WEST SHOULD ALLOW GOOD HEATING TO FIRE UP STORMS THIS
AFTERNOON AND EVENING...AS THE STORMS MOVE EAST THEY WILL HAVE
ACCESS TO AN INCREASINGLY WARM/MOIST BOUNDARY LAYER ENVIRONMENT.
AMPLE SHEAR WILL EXIST FOR SUPERCELLS...AND SUFFICIENT LOW LEVEL
VEERING SHOULD BE PRESENT FOR LOW LEVEL STORM ROTATION/ POSSIBLE
TORNADOES.

STORMS ARE STARTING TO GO SEVERE WITH A WATCH TOO...SO THAT WILL PUT
AN END TO THE THIS DISCUSSION...WITH HIGH BUILDING WILL TAKE OUT
MENTION OF RAIN AFTER WEDNESDAY.

PRELIMS...

ABI 067/087/065  5452
SJT 068/091/066  4232
JCT 066/090/067  4222

.SJT...NONE.

25

In the hours before

Local storm report, May 27, 9:40 AM CDT, 4 hours 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO, TX
0940 AM CDT MON MAY 27 2002

ADDED SOME LATER REPORTS

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0917 PM    5 NW MARYNEAL             TX   TORNADO
05/26/02   NOLAN                          BRIEF TOUCHDOWN

0919 PM    ROSCOE                    TX   1.00 INCH HAIL
05/26/02   NOLAN

0929 PM    VIEW                      TX   65 MPH TSTM WIND GUST
05/26/02   TAYLOR                         REPORTED BY SKYWARN SPOTTER

1030 PM    ROSCOE 12S                TX   1.00 INCH HAIL
05/26/02   NOLAN

1040 PM    SWEETWATER 1N             TX   0.88 INCH HAIL
5/26/02    NOLAN

1048 PM    8 E BLACKWELL             TX   TORNADO
05/26/02   NOLAN                          BRIEF TOUCHDOWN

0005 AM    NOLAN                     TX   0.88 INCH HAIL
05/27/02   NOLAN                          WIND BROKE SECURITY
                                          LIGHT

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 8:42 PM CDT	Severe Thunderstorm Warning	SJT	Nolan	63 min
May 26, 8:57 PM CDT	Tornado Warning	SJT	Nolan	63 min
May 26, 9:20 PM CDT	Severe Thunderstorm Warning	SJT	Taylor	55 min
May 26, 10:03 PM CDT	Tornado Warning	SJT	Nolan	57 min
May 26, 10:12 PM CDT	Severe Thunderstorm Warning	SJT	Taylor	63 min
May 26, 11:46 PM CDT	Severe Thunderstorm Warning	SJT	Nolan	44 min
May 27, 12:21 PM CDT	Severe Thunderstorm Warning	SJT	Fisher	69 min
May 27, 1:01 PM CDT	Severe Thunderstorm Warning	SJT	Jones	59 min
May 27, 1:54 PM CDT	Severe Thunderstorm Warning	SJT	Fisher	66 min
May 27, 2:19 PM CDT	Tornado Warning	SJT	Fisher, Nolan	56 min
May 27, 3:19 PM CDT	Severe Thunderstorm Warning	SJT	Sterling	56 min
May 27, 3:33 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Nolan	57 min
May 27, 3:44 PM CDT	Tornado Warning	SJT	Coke, Sterling	61 min
May 27, 4:08 PM CDT	Severe Thunderstorm Warning	SJT	Coke	37 min
May 27, 4:29 PM CDT	Severe Thunderstorm Warning	SJT	Runnels	76 min
May 27, 4:42 PM CDT	Severe Thunderstorm Warning	SJT	Coke	48 min
May 27, 4:42 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Tom Green	63 min
May 27, 5:14 PM CDT	Severe Thunderstorm Warning	SJT	Sterling	61 min
May 27, 5:20 PM CDT	Severe Thunderstorm Warning	SJT	Concho	55 min
May 27, 5:36 PM CDT	Flash Flood Warning	SJT	Coke, Sterling	3 hr
May 27, 5:43 PM CDT	Severe Thunderstorm Warning	SJT	Coleman	77 min
May 27, 5:51 PM CDT	Severe Thunderstorm Warning	SJT	Coke	54 min
May 27, 6:11 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch	64 min
May 27, 6:26 PM CDT	Severe Thunderstorm Warning	SJT	Sterling	64 min
May 27, 6:43 PM CDT	Severe Thunderstorm Warning	SJT	Coke	62 min
May 27, 6:46 PM CDT	Tornado Warning	SJT	McCulloch, San Saba	59 min
May 27, 6:55 PM CDT	Severe Thunderstorm Warning	SJT	Runnels	65 min

Nearby

Severe Thunderstorm Warnings in Texas, 2002 Every severe thunderstorm warning in 2002

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.