Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 40, NWS Amarillo, TX

April 24, 1990Hemphill County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Apr 24, 1990, 8:59 PM CDT for Hemphill County, Texas. It was in force for 61 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Apr 24, 1990, 8:59 PM CDT (01:59 UTC)
Expired: Apr 24, 1990, 10:00 PM CDT
In force: 61 min
Issued by: NWS Amarillo, TX
Area: Whole counties

County Hemphill County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

Time	Report	Where	Remark
Apr 24, 9:15 PM CDT	Tornado F1	Hemphill, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 2.0 hours before the alert went out and 146 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: 3460 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 55 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAMA 250200
SVRAMA
TXC211-250300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
859 PM CDT TUE APR 24 1990
 
THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN THE TEXAS PANHANDLE
          ...HEMPHILL
 
AT 900 PM A SEVERE THUNDERSTORM WAS LOCATED 5 MILES SOUTHEAST OF
CANADIAN. MOVEMENT OF THIS STORM WAS NORTHEAST AT 20 MILES AN
HOUR.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDO1WS UNTIL THE STORM HAS PASSED.

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.

In the hours before

Special weather statement, Apr 24, 4:26 PM CDT, 4 hours 33 minutes before

TXZ001>009-NMZ005-009-013-OKZ001>003- 242200 -

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX...CORRECTION...
420PM  CDT TUE APR 24 1990

 ...A TORNADO WATCH IS IN EFFECT UNTIL 11PM CDT FOR THE EASTERN
    TWO-THIRDS OF THE TEXAS AND OKLAHOMA PANHANDLES...

THUNDERSTORMS HAVE DEVELOPED RAPIDLY ALONG THE DRYLINE DURING THE PAST
HOUR. THE DRYLINE EXTENDS SOUTH ACROSS THE EASTERN TEXAS PANHANDLE.

AT 4PM CDT...RADAR SHOWED AN AREA OF THUNDERSTORMS WITH HEAVY RAINS
IN THE SOUTHEAST TEXAS PANHANDLE BETWEEN PLAINVIEW AND CLAREDON.

MOVEMENT OF THESE THUNDERSTORMS WAS TO THE NORTHEAST AT 15 MILES AN
HOUR.

OTHER SHOWERS AND THUNDERSTORMS WERE WIDELY SCATTERED ACROSS PARTS OF
THE EAST CENTRAL AND NORTHEAST TEXAS PANHANDLE.

MOST OF THE THUNDERSTORM ACTIVITY WILL BE ALONG THE DRYLINE THIS
AFTERNOON AND EVENING.

REMEMBER...A TORNDAO WATCH IS IN EFFECT UNTIL 11 PM CDT FOR THE EASTERN
TWO-THIRDS OF THE TEXAS AND OKLAHOMA PANHANDLES. STAY TUNED TO NOAA
WEATHER RADIO OR COMMERCIAL TELEVISION OR RADIO.

Special weather statement, Apr 24, 4:27 PM CDT, 4 hours 32 minutes before

TXZ001>009-NMZ005-009-013-OKZ001>003- 242200 -

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX...CORRECTION...
420PM  CDT TUE APR 24 1990

 ...A TORNADO WATCH IS IN EFFECT UNTIL 11PM CDT FOR THE EASTERN
    TWO-THIRDS OF THE TEXAS AND OKLAHOMA PANHANDLES...

THUNDERSTORMS HAVE DEVELOPED RAPIDLY ALONG THE DRYLINE DURING THE PAST
HOUR. THE DRYLINE EXTENDS SOUTH ACROSS THE EASTERN TEXAS PANHANDLE.

AT 4PM CDT...RADAR SHOWED AN AREA OF THUNDERSTORMS WITH HEAVY RAINS
IN THE SOUTHEAST TEXAS PANHANDLE BETWEEN PLAINVIEW AND CLAREDON.

MOVEMENT OF THESE THUNDERSTORMS WAS TO THE NORTHEAST AT 15 MILES AN
HOUR.

OTHER SHOWERS AND THUNDERSTORMS WERE WIDELY SCATTERED ACROSS PARTS OF
THE EAST CENTRAL AND NORTHEAST TEXAS PANHANDLE.
MOST OF THE THUNDERSTORM ACTIVITY WILL BE ALONG THE DRYLINE THIS
AFTERNOON AND EVENING.

REMEMBER...A TORNDAO WATCH IS IN EFFECT UNTIL 11 PM CDT FOR THE EASTERN
TWO-THIRDS OF THE TEXAS AND OKLAHOMA PANHANDLES. STAY TUNED TO NOAA
WEATHER RADIO OR COMMERCIAL TELEVISION OR RADIO.

Local storm report, Apr 24, 5:19 PM CDT, 3 hours 40 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO, TX
519 PM CDT TUE APR 24 1990

STORM REPORT FOR APRIL 24 1990

1)  1532-1630 CST...SVR TSTM WRNG FOR DONLEY CNTY
      1534-1540 CST...PING PONG SIZE TO A LITTLE LARGER THAN GOLFBALL
                      SIZE HAIL..2 SW OF CLARENDON..RPTD BY CLARENDON PD
      1541 CST...QUARTER SIZE HAIL IN CLARENDON..RPTD BY CLARENDON PD
      1605 CST...QARTER SIZE HAIL IN CLARENDON..RPTD BY SPOTTER

WSO..AMA
SC

Local storm report, Apr 24, 6:38 PM CDT, 2 hours 21 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO, TX
638 PM CDT TUE APR 24 1990

STORM REPORT FOR APRIL 24 1990

1707 CST (1807 CDT)...GOLFBALL SIZE HAIL 3 S OF MCLEAN..RPTD BY GRAY SO
1711 CST (1811 CDT)...TORNADO 5 S OF MCLEAN..TOUCHED DOWN 2 TIMES IN OPEN
     COUNTRY..NO DAMAGE..RPTD BY DONLEY AND GRAY CNTY SO
1716 CST (1816 CDT)...GOLFBALL SIZE HAIL 5 S OF MCLEAN..RPTD BY GRAY SO
1728 CST (1828 CDT)...GOLFBALL SIZE HAIL 3-4 S OF MCLEAN...RPTD BY KGRAY SO

WSO..AMA
SC

Local storm report, Apr 24, 7:10 PM CDT, 1 hour 49 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO, TX
708 PM CDT TUE APR 24 1990

STORM REPORT FOR APRIL 24 1990

1751 CST (1851 CDT)...GOLFBALL TO BASEBALL SIZE HAIL AT HEALD..8 N OF
INTERSTATE 40..NEAR THEu GRAY COUNTY LINE..RPTD BY SHAMROCK PD

WSO..AMA
SC

Local storm report, Apr 24, 7:23 PM CDT, 1 hour 36 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO, TX
721 PM CDT TUE APR 24 1990

STORM REPORT FOR APRIL 24 1990

1819 CST (1919 CDT)...BASEBALL SIZE HAIL 10 NE OF SHAMROCK (AT MAGIC
CITY)..RPTD BY SHAMROCK PD

WSO..AMA
SC

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 24, 7:15 PM CDT	Severe Thunderstorm Warning	AMA	Wheeler	60 min
Apr 24, 8:08 PM CDT	Tornado Warning	AMA	Hemphill	52 min
Apr 24, 9:51 PM CDT	Tornado Warning	AMA	Hemphill, Lipscomb	39 min
Apr 24, 10:01 PM CDT	Severe Thunderstorm Warning	AMA	Donley	59 min
Apr 24, 11:04 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Donley	56 min
Apr 24, 11:19 PM CDT	Severe Thunderstorm Warning	AMA	Moore, Potter	56 min
Apr 24, 11:25 PM CDT	Severe Thunderstorm Warning	AMA	Gray, Wheeler	65 min
Apr 24, 11:48 PM CDT	Severe Thunderstorm Warning	AMA	Sherman	57 min
Apr 24, 11:58 PM CDT	Tornado Warning	AMA	Wheeler	62 min
Apr 25, 12:14 AM CDT	Severe Thunderstorm Warning	AMA	Moore, Potter	61 min
Apr 25, 1:00 AM CDT	Tornado Warning	AMA	Wheeler	45 min
Apr 25, 1:04 AM CDT	Severe Thunderstorm Warning	AMA	Hansford	56 min
Apr 25, 1:04 AM CDT	Severe Thunderstorm Warning	AMA	Hemphill	56 min
Apr 25, 1:14 AM CDT	Severe Thunderstorm Warning	AMA	Oldham	61 min
Apr 25, 1:16 AM CDT	Tornado Warning	AMA	Moore	44 min
Apr 25, 2:03 AM CDT	Severe Thunderstorm Warning	AMA	Moore	57 min
Apr 25, 2:23 AM CDT	Severe Thunderstorm Warning	AMA	Sherman	67 min
Apr 25, 3:01 AM CDT	Severe Thunderstorm Warning	AMA	Moore	59 min
Apr 25, 3:50 AM CDT	Flash Flood Warning	AMA	Moore	2 hr

Nearby

Severe Thunderstorm Warnings in Texas, 1990 Every severe thunderstorm warning in 1990

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.