Alert archive / Texas / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 2, NWS Amarillo, TX

May 22, 1987Deaf Smith County, Parmer County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at May 22, 1987, 3:58 PM CDT for Deaf Smith County, Parmer County, Texas. It was in force for 62 min.

The area

The counties it named.

The facts

Issued
May 22, 1987, 3:58 PM CDT (20:58 UTC)
Expired
May 22, 1987, 5:00 PM CDT
In force
62 min
Issued by
NWS Amarillo, TX
Area
Whole counties

Counties Deaf Smith County, TX, Parmer County, TX

The radar

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

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 9.0 hours before the alert went out and 105 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 12:00Z on 1987-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 287 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 12:00Z on 1987-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 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
287 J/kg
Mixed-layer CIN
-145 J/kg
Mixed-layer LCL
1185 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAMA 222058
SVRAMA
TXC369-117-222200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
358 PM CDT FRI MAY 22 1987

THE NATIONAL WEATHER SERVICE HAS ISSUETD A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 500 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES OF

PANHANDLE OF TEXAS...NORTHERN PARMER AND WESTERN DEAF SMITH

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, May 22, 11:43 AM CDT, 4 hours 15 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
 1139AM CDT FRI MAY 22 1987
 ...VERY HEAVY THUNDERSTORMS CONTINUE OVER THE SOUTH TEXAS PANHANDLE...

AT 1130 AM CDT AMARILLO RADAR INDICATED A BAND OF THUNDERSTORMS...WITH
VERY HEAVY RAINFALL...EXTENDING FROM NEAR TURKEY TEXAS...SOUTHWEST TO
NEAR PLAINVIEW. MOVEMENT WAS NORTHEAST AT 25 MILES AN HOUR.

PERSONS IN BRISCOE AND HALL COUNTIES OF THE SOUTH TEXAS PANHANDLE CAN
EXPECT PERIODS OF VERY HEAVY RAINFALL DURING THE NEXT 1 TO 2 HOURS.
OCCASIONAL FLOODING OF LOW LYING AREAS IS POSSIBLE.

OTHER LESS INTENSE SHOWERS AND THUNDERSTORMS OVER THE EAST HALF OF THE
TEXAS PANHANDLE...AND THE EAST OKLAHOMA PANHANDLE.

SCATTERED SHOWERS AND THUNDERSHOWERS WERE NOTED IN EAST NEW MEXICO...
NEAR TUCUMCARI.
Special weather statement, May 22, 12:45 PM CDT, 3 hours 13 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
 1242PM CDT FRI MAY 22 1987
 ...VERY HEAVY THUNDERSTORMS MOVING INTO THE SOUTHEAST TEXAS PANHANDLE...

AT 1231 PM CDT AMARILLO RADAR INDICATED A LINE OF VERY HEAVY THUNDERSTORMS
EXTENDING FROM CHILDRESS TEXAS...SOUTHWEST TO NEAR LUBBOCK. VERY HEAVY
RAINFALL IS LIKELY AS THE LINE MOVES NORTHEAST...THROUGHT CHILDRESS AND
HALL COUNTIES...FLOODING OF LOW LYING AREAS IS LIKELY. MOTORISTS SHOULD
EXERCISE CAUTION.

ELSEWHERE...NUMEROUS SHOWERS AND A FEW THUNDERSTORMS CONTINUED IN THE
EAST TEXAS PANHANDLE...AND EXTENDED INTO WEST OKLAHOMA. MOVEMENT WAS
NORTHEAST AT 20 MILES AN HOUR.

SCATTERED SHOWERS A)ND A FEW THUNDERSHOWERS REMAINED IN THE WEST TEXAS
PANHANDLE...AND EXTENDED WEST TO NEAR TUCUMCARI NEW MEXICO. MOVEMENT
WAS NORTHEAST AT 25 MILES AN HOUR.
Special weather statement, May 22, 2:50 PM CDT, 1 hour 8 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
 245 PM CDT FRI MAY 22 1987
 ...MARBLE SIZE HAIL REPORTED JUST NORTH OF CLOVIS NEW MEXICO AT 130 PM
MDT...

AT 232 PM CDT AMARILLO RADAR INDICATED A VERY HEAVY THUNDERSTORM JUST
NORTH OF CLOVIS NEW MEXICO...MOVING SLOWLY NORTHEAST.

ELSEWHERE...SCATTERED SHOWERS AND THUNDERSTORMS...SOME LOCALLY VERY HEAVY
...CONTINUED OVER THE SOUTHERN TWO THIRDS OF THE TEXAS PANHANDLE...AND
EXTENDED INTO WEST OKLAHOMA...THE TEXAS SOUTH PLAINS...AND EASTERN NEW
MEXICO. STRONGEST ACTIVITY WAS EAST OF LUBBOCK TEXAS. MOVEMENT WAS
NORTHEAST AT 20 MILES AN HOUR.

PERSONS IN OR NEAR THE STRONGER THUNDERSTORMS CAN EXPECT PERIODS OF VERY
HEAVY RAINFALL WITH POSSIBLE FLOODING OF LOW LYING AREAS...STRONG GUSTY
WINDS...AND POSSIBLE HAIL.

Nearby

Severe Thunderstorm Warnings in Texas, 1987Every severe thunderstorm warning in 1987

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.