Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 8, NWS Amarillo, TX

March 9, 1990Armstrong County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Mar 9, 1990, 9:44 PM CST for Armstrong 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
Mar 9, 1990, 9:44 PM CST (03:44 UTC)
Expired
Mar 9, 1990, 10:45 PM CST
In force
61 min
Issued by
NWS Amarillo, TX
Area
Whole counties

County Armstrong 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
Mar 9, 10:30 PM CSTHail 1.75Armstrong, 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, 3.7 hours before the alert went out and 43 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 1990-03-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 656 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 1990-03-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
656 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
1657 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAMA 100344
SVRAMA
TXC011-100445-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
944 PM CST FRI MAR 9 1990
 
THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1045 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN THE TEXAS PANHANDLE
          ...NORTHERN ARMSTRONG
 
AT 940 PM CST...RADAR WAS DETECTING A SEVERE THUNDERSTORM IN CLAUDE
TEXAS. AT 935 PM A DPS TROOPER REPORTED MARBLE TO GOLF BALL SIZE
HAIL IN CLAUDE.
STORM WAS MOVING NORTHEAST AT 25 MILES AN HOUR.
PERSONS IN THE PATH OF THIS STORM CAN EXPECT HAIL AND DAMAGING
THUNDERSTORM WINDS.
 
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

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, Mar 9, 5:34 PM CST, 4 hours 10 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021-
KSZ003-006- 100035 -

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
 535 PM CST FRI MAR 9  1990

 ...LINE OF THUNDERSTORMS DEVELOPING IN THE WEST TEXAS PANHANDLE...

AT 525 PM CDT AMARILLO RADAR INDICATED A LINE OF THUNDERSTORMS...
SOME WITH VERY HEAVY RAINFALL...EXTENDING FROM NEAR DALHART...SOUTH
TO JUST WEST OF HEREFORD...TO NEAR MULESHOE. STRONGEST PORTION OF THE
LINE WAS JUST SOUTHWEST OF THE HEREFORD AREA.

STRONG GUSTY WINDS...SMALL HAIL...AND BRIEF HEAVY RAINFALL CAN BE
EXPECTED AS THE LINE MOVES TO THE EAST.

                     M
Local storm report, Mar 9, 6:27 PM CST, 3 hours 17 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO, TX
627 PM CST FRI MAR 09 1990

REPORTS FROM EASTERN DEAF SMITH COUNTY..HEREFORD..AND EASTERN OLDHAM COUNTY..
VEGA..INCLUDE PEA SIZE HAIL AND BRIEF GUSTY WINDS.
Special weather statement, Mar 9, 6:39 PM CST, 3 hours 5 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021-
KSZ003-006- 100030 -

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
 635 PM CST FRI MAR 9  1990

 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MOST OF THE TEXAS PANHANDLE
AND MOST OF THE TEXAS SOUTH PLAINS TILL 1100 PM TONIGHT ...

AT 630 PM CST...A LINE OF VERY STRONG THUNDERSTORMS WAS LOCATED IN AN AREA
30 MILES WIDE FROM 20 MILES WEST OF GUYMON OKLAHOMA TO SOUTH OF STRATFORD AND
FROM WEST OF BUSHLAND TO NORTHWEST OF DIMMITT. THE STRONGEST THUNDERSTORMS WERE
LOCATED 5 MILES NORTHWEST OF WILDORADO AND JUST SOUTHEAST OF HEREFORD.

AT 615 PM PEA SIZE HAIL WAS REPORTED AT HEREFORD AND VEGA BY THE SHERIFFS
OFFICE.
MOVEMENT WAS NORTHEAST AT 30 MILES AN HOUR.

IF THREATENING WEATHER APPROACHES YOU SEEK SHELTER IMMEDIATELY.
KEEP TUNED TO YOUR NOAA WEATHER RADIO FOR LATER STATEMENTS.  RR
Local storm report, Mar 9, 7:19 PM CST, 2 hours 25 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO, TX
718 PM CST FRI MAR 09 1990

NICKEL SIZE HAIL REPORTED AT 7:11 PM IN NORTHERN RANDALL COUNTY..SW AMARILLO.
Local storm report, Mar 9, 8:47 PM CST, 57 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO, TX
846 PM CST FRI MAR 09 1990

1853 CST..1-11/2 INCH HAIL 7 SW HART

1911 CST..NICKEL SIZE HIA
Local storm report, Mar 9, 8:53 PM CST, 51 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO, TX
847 PM CST FRI MAR 09 1990

1853 CST..1-11/2 INCH HAIL 7 SW HART..RPTD BY CASTRO SO

1911 CST..NICKEL SIZE HAIL NRN RANDALL CNTY..RPTD BY SPOTTER

1920 CST..DIME TO NICKEL SIZE HAIL IN CANYON..RANDALL CNTY..RPTD BY SPOTTER

1939 CST..MOBIL HOME OVERTURNED ON POTTS RD..ROCKWELL ACRES..OFF MCCORMICK
          RD IN CENTRAL RANDALL CNTY..RPTD BY RANDALL SHERIFF OFFICE

2012 CST..FRONT PORCH BLOWN OFF MOBIL HOME..JUST NORTH OF CANYON..RPTD BY
          RANDALL SHERIFF OFFICE

2023 CST..NICKEL SIZE HAIL NEAR MCCORMICK RD..RANDALL COUNTY..RPTD BY
          SPOTTERS

2028 CST..QUARTER SIZE HAIL NEAR MCCORMICK RD..RANDALL COUNTY..RPTD BY
      c    SPOTTERS

WSO..AMA
SC

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 9, 6:58 PM CSTSevere Thunderstorm WarningAMACastro62 min
Mar 9, 7:03 PM CSTSevere Thunderstorm WarningAMAPotter, Randall57 min
Mar 9, 7:52 PM CSTSevere Thunderstorm WarningAMASwisher68 min
Mar 9, 8:00 PM CSTFlash Flood WarningAMAPotter, Randall60 min
Mar 9, 8:00 PM CSTSevere Thunderstorm WarningAMAPotter, Randall60 min
Mar 9, 8:14 PM CSTSevere Thunderstorm WarningAMACarson61 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.