Alert archive / Texas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 119, NWS Amarillo, TX

June 10, 2002Hemphill County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 10, 2002, 7:14 PM CDT for Hemphill County, Texas. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 10, 2002, 7:14 PM CDT (00:14 UTC)
Expired
Jun 10, 2002, 7:45 PM CDT
In force
31 min
Issued by
NWS Amarillo, TX
Area
Counties, with a storm outline in the text

County Hemphill County, TX

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 10, 3:30 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

W. Woodward Airport, OK (KWWR), launched 00:00Z, 0.2 hours before the alert went out and 95 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-pSkew-T log-p diagram, W. Woodward Airport, OK at 00:00Z on 2002-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3283 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, W. Woodward Airport, OK at 00:00Z on 2002-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
3283 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
1288 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
161 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KAMA 110014 CCA
SVRAMA
TXC211-110045-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED
NATIONAL WEATHER SERVICE AMARILLO TX
705 PM CDT MON JUN 10 2002

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN HEMPHILL COUNTY IN THE TEXAS PANHANDLE
  THIS INCLUDES THE CITY OF CANADIAN

* UNTIL 745 PM CDT

* AT 703 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES NORTHWEST OF CANADIAN...MOVING EAST AT
  15 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE GLAZIER

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN AMARILLO.

HAIL TO THE SIZE OF QUARTERS IS LIKELY WITH THIS STORM.

TORNADOES CAN FORM QUICKLY FROM SEVERE THUNDERSTORMS.

LAT...LON 3604 10053 3589 10053 3588 10018 3604 10017

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 Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 10, 2:49 PM CDT, 4 hours 25 minutes earlier.

Area forecast discussion, Jun 10, 2:49 PM CDT, 4 hours 25 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AMARILLO TX
249 PM CDT MON JUN 10 2002

MOISTURE GRADIENT ASSOCIATED WITH DRYLINE HAS BEEN SHARPENING UP
SINCE 19Z OVER THE WESTERN ZONES. LATEST VISIBLE SATELLITE IMAGERY
SHOWS CU FIELD ALONG DRYLINE LOCATION BEST...GENERALLY FROM WESTERN
TEXAS COUNTY OKLAHOMA TO EASTERN DEAF SMITH COUNTY. EXPECT SLOW
MOVING DRYLINE TO MIX EASTWARD THROUGH 02Z. TOUGH CALL AS TO HOW FAR
EAST IT WILL REACH. CLUSTER OF BUILDING TCU LOCATED OVER MOORE COUNTY
ARE VERY HIGH BASED AT THIS TIME. 70 DEGREE SFC DEW POINTS ARE
LOCATED OVER THE EASTERN PANHANLDES WITH TEMPS WARMING THROUGH THE
90S. ACTIVITY SHOULD PERSIST AND MOVE EASTWARD THROUGH EARLY
EVENING.

AWIPS 5.2.1 UPGRADE IS COMING ALONG NICELY.

AMA 65/95 61/90 60 -02
DHT 62/99 62/90 60 000

.AMA...
TX...NONE.
OK...NONE.

SLATTERY

In the hours before

Local storm report, Jun 10, 5:48 PM CDT, 1 hour 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
548 PM CDT MON JUN 10 2002

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

0449 PM    3N SANFORD                TX   0.88 INCH HAIL
06/10/02   HUTCHINSON                     REPORTED BY HUTCHINSON
                                          COUNTY EM.

0450 PM    3NE STINNETT              TX   0.88 INCH HAIL
06/10/02   HUTCHINSON                     REPORTED BY HUTCHINSON
                                          COUNTY EM.

0525 PM    SPEARMAN                  TX   60 MPH WIND GUST
06/10/02   HANSFORD                       REPORTED BY LOCAL MEDIA.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 7:07 PM CDTSevere Thunderstorm WarningAMAHemphill38 min

Nearby

Severe Thunderstorm Warnings in Texas, 2002Every 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.