Alert archive / Texas / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 43, NWS Amarillo, TX

July 2, 1987Carson County, Gray County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jul 2, 1987, 1:21 AM CDT for Carson County, Gray County, Texas. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
Jul 2, 1987, 1:21 AM CDT (06:21 UTC)
Expired
Jul 2, 1987, 2:15 AM CDT
In force
54 min
Issued by
NWS Amarillo, TX
Area
Whole counties

Counties Carson County, TX, Gray 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 00:00Z, 6.4 hours before the alert went out and 59 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 1987-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3198 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 1987-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.193958Sfc1 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
3198 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
1773 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
128 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, Jul 1, 7:41 PM CDT, 5 hours 40 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
 737 PM CDT WED JUL 1  1987
 ...TORNADO WATCH NUMBER 293 IN EFFECT UNTIL 1000 PM CDT FOR THE WEST
AND CENTRAL TEXAS AND OKLAHOMA PANHANDLES...TORNADO WATCH NUMBER 295 IN
EFFECT UNTIL 12 MIDNIGHT CDT FOR THE EAST TEXAS AND OKLAHOMA PANHANDLES.

AT 725 PM CDT AMARILLO RADAR INDICATED ISOLATED VERY STRONG THUNDER
STORMS IN THE CENTRAL AND SOUTH TEXAS PANHANDLE...ONE JUST SOUTHEAST OF
SILVERTON...ANOTHER 25 MILES SOUTH OF CLAUDE...AND ANOTHER JUST EAST OF
BORGER. MOVEMENT WAS SOUTHEAST AT 15 MILES AN HOUR.

OTHER LESS INTENSE THUNDERSTORMS REMAINED OVER THE NORTH TEXAS PANHANDLE
BETWEEN PERRYTON AND DALHART...AND NEAR THE CLAYTON NEW MEXICO AREA.

PERSONS IN THE WATCH AREAS SHOULD REMAIN ALERT AND MOVE TO A PLACE OF
SAFETY IF THREATENING CONDITIONS ARE SIGHTED. STRONG GUSTY WINDS...
DANGEROUS LIGHTNING...AND HAIL ARE POSSIBLE NEAR THE HEAVIER STORMS.
SOME FLOODING OF LOW LYING AREAS IS POSSIBLE.
Special weather statement, Jul 1, 11:41 PM CDT, 1 hour 40 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 8:10 PM CDTSevere Thunderstorm WarningAMABriscoe65 min
Jul 1, 8:26 PM CDTSevere Thunderstorm WarningAMACarson, Gray64 min
Jul 1, 8:46 PM CDTTornado WarningAMACarson, Gray59 min
Jul 1, 9:43 PM CDTTornado WarningAMAArmstrong, Carson62 min
Jul 1, 10:42 PM CDTTornado WarningAMAArmstrong63 min
Jul 2, 3:02 AM CDTSevere Thunderstorm WarningAMAHutchinson58 min
Jul 2, 6:31 PM CDTTornado WarningAMACastro, Parmer59 min

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.