Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 12, NWS Amarillo, TX

April 9, 1990Ochiltree County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Apr 9, 1990, 9:41 PM CDT for Ochiltree County, Texas. It was in force for 64 min. 2 reports 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 9, 1990, 9:41 PM CDT (02:41 UTC)
Expired
Apr 9, 1990, 10:45 PM CDT
In force
64 min
Issued by
NWS Amarillo, TX
Area
Whole counties

County Ochiltree 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

TimeReportWhereRemark
Apr 9, 9:45 PM CDTHail 1.75Ochiltree, TX
Apr 9, 9:47 PM CDTHail 0.75Ochiltree, 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, 2.7 hours before the alert went out and 141 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, Amarillo Airport, TX at 00:00Z on 1990-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 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, Amarillo Airport, TX at 00:00Z on 1990-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.1939587897117Sfc1 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
11 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
3160 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
-1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 9, 3:48 PM CDT, 5 hours 53 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021-
KSZ003-006- 092145

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
 345 PM CDT MON APR 9  1990

 ...TORNADO WATCH NUMBER 113 CONTINUES IN EFFECT UNTIL 1000 PM
    CDT FOR CHILDRESS AND COLLINGSWORTH COUNTIES OF THE SOUTHEAST
    TEXAS PANDHANDLE...

AT 315 PM CDT HAIL UP TO 1/2 IN IN DIAMETER WAS REPORTED IN GUYMON
OKLAHOMA...BY RADIO STATION KGYN.

AT 330 PM CDT AMARILLO RADAR INDICATED A LARGE THUNDERSTORM WITH VERY
HEAVY RAINFALL AND HAIL JUST NORTHEAST OF GUYMON OKLAHOMA. MOVEMENT
WAS EAST AT 20 MILES AN HOUR.

OTHER LESS INTENSE SHOWERS AND THUNDERSTORMS WAS LOCATED OVER CIMARRON
COUNTY OF THE WEST OKLAHOMA PANHANDLE.

PERSONS IN THE WATCH AREA...AND THOSE IN TEXAS COUNTY OF THE OKLAHOMA
PANHANDLE...SHOULD REMAIN ALERT AND MOVE TO A PLACE OF+ SAFETY IF
THREATENING CONDITIONS ARE SIGHTED.
Local storm report, Apr 9, 6:08 PM CDT, 3 hours 33 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO, TX
608 PM CST MON APR 9 1990

STORM REPORT FOR AFTERNOON OF APRIL 9, 1990

1535 CST...QUARTER TO HALF DOLLAR SIZE HAIL REPORTED BY PUBLIC ABOUT
           4 MILE NORTH OF BRYANS CORNER (INTERSECTION OF HWY 3 AND 83)
           HAIL WAS SOFT AND BROKE UP ON IMPACT.    BEAVER COUNTY

1604 CST...AROUND GOLFBALL SIZE HAIL REPORTED BY SHE=RIFF'S DEPUTY 2
           MILES NORTH OF ELMWOOD (BEAVER COUNTY).  SIZE WAS DIFFICULT
           TO DETERMINE SINCE HAIL WAS SLUSHY AND BROKE UP ON IMPACT.

WSO..AMA
TWG
Local storm report, Apr 9, 6:09 PM CDT, 3 hours 32 minutes before
STORM REPORT ...TIME CORRECTED
NATIONAL WEATHER SERVICE AMARILLO, TX
608 PM CDT MON APR 9 1990

STORM REPORT FOR AFTERNOON OF APRIL 9, 1990

1535 CST...QUARTER TO HALF DOLLAR SIZE HAIL REPORTED BY PUBLIC ABOUT
           4 MILE NORTH OF BRYANS CORNER (INTERSECTION OF HWY 3 AND 83)
           HAIL WAS SOFT AND BROKE UP ON IMPACT.    BEAVER COUNTY

1604 CST...AROUND GOLFBALL SI>ZE HAIL REPORTED BY SHERIFF'S DEPUTY 2
           MILES NORTH OF ELMWOOD (BEAVER COUNTY).  SIZE WAS DIFFICULT
           TO DETERMINE SINCE HAIL WAS SLUSHY AND BROKE UP ON IMPACT.

WSO..AMA
TWG
Special weather statement, Apr 9, 6:40 PM CDT, 3 hours 1 minute before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021-
KSZ003-006-100038-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
638 PM CDT MON APR 9  1990

 ...TORNADO WATCH NUMBER 113 CONTINUES IN EFFECT UNTIL 1000 PM
    CDT FOR CHILDRESS AND COLLINGSWORTH COUNTIES OF THE SOUTHEAST
    TEXAS PANDHANDLE...

...SEVERE THUNDERSTORM WATCH NUMBER 114 IN EFFECT UNTIL 1000 PM CDT
   FOR TEXAS AND BEAVER COUNTIES OF THE OKLAHOMA PANHANDLE...

AT 628 PM CDT AMARILLO RADAR INDICATED SCATTERED THUNDERSTORMS...SOME
WITH VERY HEAVY RAINFALL AND SMALL HAIL...OVER CIMARRON COUNTY OF THE
WEST OKLAHOMA PANHANDLE. HEAVIEST RAINFALL WAS INDICATED JUST SOUTH OF
BOISE CITY...AND ON THE OKLAHOMA/COLORADO STATE LINE...NORTH OF BOISE
CITY. MOVEMENT WAS EAST AT 25 MILES AN HOUR.

ELSEWHERE...SCATTERED SHOWERS AND A FEW THUNDERSTORMS CONTINUED TO
DEVELOP IN NORTHEAST NEW MEXICO BETWEEN CLAYTON AND TUCUMCARIA.

NEW SHOWERS AND THUNDERSTORMS WERE ALSO DEVELOPING IN THE NORTH
PORTION OF THE TEXAS SOUTH PLAINS.

PERSONS IN THE WATCH AREAS SHOULD REMAIN ALERT AND LISTEN FOR LATER
STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Apr 9, 7:43 PM CDT, 1 hour 58 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021-
KSZ003-006-100038-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
740 PM CDT MON APR 9  1990

 ...TORNADO WATCH NUMBER 113 CONTINUES IN EFFECT UNTIL 1000 PM
    CDT FOR CHILDRESS AND COLLINGSWORTH COUNTIES OF THE SOUTHEAST
    TEXAS PANDHANDLE...

...SEVERE THUNDERSTORM WATCH NUMBER 114 IN EFFECT UNTIL 1000 PM CDT
   FOR TEXAS AND BEAVER COUNTIES OF THE OKLAHOMA PANHANDLE...

AT 733 PM CDT A STRONG THUNDERSTORM WAS LOCATED IN THE EXTREME NORTHEAST
CORNER OF THE TEXAS SOUTH PLAINS BETWEEN PADUCAH AND CHILDRESS.  LITTLE
MOVEMENT OF THIS STORM WAS NOTED.  MEANWHILE...OTHER THUNDERSTORMS WERE
IN THE NORTHERN THIRD OF THE SOUTH PLAINS WITH THE HEAVIER RAINFALL 10
MILES SOUTHEAST OF MATADOR.  MOVEMENT WAS EAST AT 15 MILES AN HOUR.

ELSEWHERE...SCATTERED THUNDERSTORMS CONTINUED OVER THE NORTHWEST SECTION
OF THE TEXAS PANHANDLE AND THE CENTRAL OKLAHOMA PANHANDLE WITH THE
HEAVIEST RAINFALL WEST OF DALHART TEXAS NEAR THE STATE LINE AND EAST
OF KEYES IN OKLHOMA.  A FEW LIGHT RAIN SHOWERS WERE IN SOUTHWEST
KANSAS AND NORTHEAST NEW MEXICO.  ALL MOVEMENT WAS EAST AT 20 MILES
AN HOUR.

PERSONS JIN THE WATCH AREAS SHOULD REMAIN ALERT AND LISTEN FOR LATER
STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Apr 9, 8:53 PM CDT, 48 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021-
KSZ003-006-100038-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
855 PM CDT MON APR 9  1990

 ...TORNADO WATCH NUMBER 113 CONTINUES IN EFFECT UNTIL 1000 PM
    CDT FOR CHILDRESS AND COLLINGSWORTH COUNTIES OF THE SOUTHEAST
    TEXAS PANDHANDLE...

...SEVERE THUNDERSTORM WATCH NUMBER 114 IN EFFECT UNTIL 1000 PM CDT
   FOR TEXAS AND BEAVER COUNTIES OF THE OKLAHOMA PANHANDLE...

AT 835 PM CDT THUNDERSTORMS WERE SCATTERED ACROSS THE NORTHEAST CORNER
OF THE TEXAS SOUTH PLAINS...THE SOUTHEAST TEXAS PANHANDLE AND SOUTHWEST
OKLAHOMA.  HEAVIEST RAINFALL WAS 20 MILES EAST OF CHILDRESS.  THESE
STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR.

ELSEWHERE...SCATTERED THUNDERSTORMS CONTINUED OVER THE NORTHWEST SECTION
OF THE TEXAS PANHANDLE...THE CENTRAL OKLAHOMA PANHANDLE AND SOUTHWEST
KANSAS.  HEAVIEST RAINFALL WAS JUST SOUTH OF DALHART.  MOVEMENT WAS EAST
AT 15 MILES AN HOUR.

PERSONS IN THE WATCH AREAS SHOULD REMAIN ALERT AND LISTEN FOR LATER
STATEMENTS AND POSSIBLE WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 9:41 PM CDTSevere Thunderstorm WarningAMAMoore64 min

Nearby

Severe Thunderstorm Warnings in Texas, 1990Every 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.