Alert archive / Texas / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 17, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at May 30, 1987, 9:35 PM CDT for Hansford County, Texas. It was in force for 55 min.
The area
The counties it named.
The facts
- Issued
- May 30, 1987, 9:35 PM CDT (02:35 UTC)
- Expired
- May 30, 1987, 10:30 PM CDT
- In force
- 55 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties
County Hansford 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, 2.6 hours before the alert went out and 121 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.
- Mixed-layer CAPE
- 1854 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 1251 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.3
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, May 30, 6:01 PM CDT, 3 hours 34 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE AMARILLO TX 558PM CDT SAT MAY 30 1987 ...TORNADO WATCH IN EFFECT FOR THE TEXAS PANHANDLE...EXCEPT THE NORTHWEST CORNER UNTIL MIDNIGHT... AT 533 PM CDT...AMARILLO RADAR INDICATED HEAVY THUNDERSTORMS...WITH LOCALLY VERY HEAVY RAIN IN THE CENTRAL OKLAHOMA PANHANDLE...FROM GUYMON EAST TO NEAR ADAMS IN TEXAS COUNTY. MOVEMENT WAS TO THE EAST AT 10 MILES AN HOUR. THE STRONGEST ACTIVITY WAS LOCATED JUST SOUTHEAST OF GUYMON. A THUNDERSTORM WAS DEVELOPING IN THE NORTHWEST TEXAS PANHANDLE AND EXTENDED INTO THE SOUTHWESTERN OKLAHOMA PANHANDLE...SOUTH OF FELT. OTHER SHOWERS AND THUNDERSHOWERS WERE SCATTERED ACROSS NORTHEAST NEW MEXICO.
Special weather statement, May 30, 6:08 PM CDT, 3 hours 27 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTED... NATIONAL WEATHER SERVICE AMARILLO TX 558PM CDT SAT MAY 30 1987 ...TORNADO WATCH IN EFFECT FOR THE TEXAS PANHANDLE...EXCEPT FOR DALLUM COUNTY...UNTIL MIDNIGHT... AT 533 PM CDT...AMARILLO RADAR INDICATED HEAVY THUNDERSTORMS...WITH LOCALLY VERY HEAVY RAIN IN THE CENTRAL OKLAHOMA PANHANDLE...FROM GUYMON EAST TO NEAR ADAMS IN TEXAS COUNTY. MOVEMENT WAS TO THE EAST AT 10 MILES AN HOUR. THE STRONGEST ACTIVITY WAS LOCATED JUST SOUTHEAST OF GUYMON. A THUNDERSTORM WAS DEVELOPING IN THE NORTHWEST TEXAS PANHANDLE AND EXTENDED INTO THE SOUTHWESTERN OKLAHOMA PANHANDLE...SOUTH OF FELT. OTHER SHOWERS AND THUNDERSHOWERS WERE SCATTERED ACROSS NORTHEAST NEW MEXICO.
Special weather statement, May 30, 6:47 PM CDT, 2 hours 48 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE AMARILLO TX 645PM CDT SAT MAY 30 1987 ...TORNADO WATCH IN EFFECT FOR THE TEXAS PANHANDLE...EXCEPT FOR DALLUM COUNTY...UNTIL MIDNIGHT... AT 631 PM CDT...AMARILLO RADAR INDICATED HEAVY THUNDERSTORMS...WITH LOCALLY VERY HEAVY RAIN IN THE CENTRAL OKLAHOMA PANHANDLE...FROM SOUTHEAST OF GUYMON...TO HARDESTY STATION. MOVEMENT WAS TO THE EAST AT 10 MILES AN HOUR. THE STRONGEST ACTIVITY WAS LOCATED 10 MILES SOUTH OF ADAMS...AND WAS PRODUCING MARBLE SIZE HAIL AS REPORTED BY THE GUYMON OHP AT 644PM. A THUNDERSTORM WAS WITH HEAVY RAIN WAS IN THE NORTHWEST TEXAS PANHANDLE... 20 MILES WEST OF STRATFORD. MOVEMENT WAS TO THE EAST AT 10 MILES AN HOUR. OTHER SHOWERS AND THUNDERSHOWERS WERE DEVELOPING ACROSS EAST NEW MEXICO AND THE WEST CENTRAL TEXAS PANHANDLE.
Special weather statement, May 30, 7:48 PM CDT, 1 hour 47 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
745 PM CDT SAT MAY 30 1987
..TORNADO WATCH IN EFFECT FOR THE TEXAS PANHANDLE TIL MIDNIGHT..
AT 735 PM CDT...A VERY HEAVY THUNDERSTORM WAS LOCATED 8 MILES NORTHEAST
OF GRUVER. ELSEWHERE..WIDELY SCATTERED THUNDERSTORMS WERE LOCATED FROM
SOUTHWEST OF GUYMON OKLAHOMA TO SOUTH OF DUMAS AND TO SOUTHEAST OF
TUCUMCARI NEW MEXICO.
MOVEMENT WAS SOUTHEAST AT 10 MILES AN HOUR.
KEEP TUNED TO YOUR NOAA WEATHER RADIO OR LOCAL RADIO.. T V STATION
FOR LATER STATEMENTS.The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 8:00 PM CDT | Severe Thunderstorm Warning | AMA | Hansford | 75 min |
| May 30, 8:30 PM CDT | Tornado Warning | AMA | Hansford | 60 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.