Alert archive / Texas / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 6, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at May 25, 1987, 6:14 PM CDT for Castro County, Randall County, Swisher 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
- May 25, 1987, 6:14 PM CDT (23:14 UTC)
- Expired
- May 25, 1987, 7:15 PM CDT
- In force
- 61 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties
Counties Castro County, TX, Randall County, TX, Swisher 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
| Time | Report | Where | Remark |
|---|---|---|---|
| May 25, 6:55 PM CDT | Tornado F0 | Castro, 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 12:00Z, 11.2 hours before the alert went out and 66 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
- 1135 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 1053 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.1
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 25, 5:39 PM CDT, 35 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE AMARILLO TX 535PM CDT MON MAY 25 1987 AT 532 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN REMAINED IN THE NORTHCENTRAL TEXAS PANHANDLE...FROM JUST NORTH OF STINETT TO 5 MILES SOUTHWEST OF PERYTON. THESE STORMS WERE MOVING TO THE NORTHEAST AROUND 20 MPH. AT 510PM AMARILLO RADAR INDICATED A TORNADO ASSOCIATED WITH THIS THUNDERSTORM. LARGE HAIL...STRONG AND GUSTY WINDS...FREQUENT LIGHTNING...AND VERY HEAVY RAINFALL MAY ACCOMPANY THESE STORMS. PERSONS IN THE VICINITY OF THESE STORMS SHOULD REMAIN ALERT FOR POSSIBLE ASSOCIATED SEVERE WEATHER...AND BE PREPARED TO MOVE TO A PLACE OF SAFETY. STAY TUNED TO YOUR LOCAL TELEVISION' OR RADIO STAIONS FOR FURTHER UPDATES.
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 7:51 PM CDT | Severe Thunderstorm Warning | AMA | Hall | 24 min |
| May 24, 8:44 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong, Randall | 46 min |
| May 24, 9:16 PM CDT | Tornado Warning | AMA | Briscoe | 29 min |
| May 24, 9:56 PM CDT | Tornado Warning | AMA | Briscoe | 34 min |
| May 25, 12:03 AM CDT | Tornado Warning | AMA | Childress | 27 min |
| May 25, 2:21 AM CDT | Severe Thunderstorm Warning | AMA | Castro | 10 min |
| May 25, 5:10 PM CDT | Tornado Warning | AMA | Hansford | 50 min |
| May 25, 6:05 PM CDT | Tornado Warning | AMA | Hansford | 40 min |
| May 25, 6:08 PM CDT | Tornado Warning | AMA | Armstrong | 67 min |
| May 25, 6:40 PM CDT | Tornado Warning | AMA | Hansford | 65 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.