Alert archive / Texas / Flash Flood Warnings in 1987
Flash Flood Warning 3, NWS San Angelo, TX
NWS San Angelo, TX issued this flash flood warning at May 30, 1987, 9:15 PM CDT for Tom Green County, Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- May 30, 1987, 9:15 PM CDT (02:15 UTC)
- Expired
- May 31, 1987, 12:15 AM CDT
- In force
- 3 hr
- Issued by
- NWS San Angelo, TX
- Area
- Whole counties
County Tom Green 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
Midland Regional, TX (KMAF), launched 00:00Z, 2.3 hours before the alert went out and 175 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
- 2975 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 747 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 flash flood 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, 6:17 PM CDT, 2 hours 58 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO, TX 617 PM CDT SAT MAY 30 1987 ...FLASH FLOOD WATCH IN EFFECT FOR MENARD...MASON...AND KIMBLE COUNTIES TONIGHT AND SUNDAY... THUNDERSTORMS CONTINUE TO DEVELOPE LATE THIS EVENING AND EXTEND FROM NEAR BIG LAKE SOUTH TO NEAR OZONA TO SOUTHEAST OF SONORA. A THUNDERSTORM WAS ALSO NOTED IN SOUTHEAST KIMBLE COUNTY NEAR HARPER. STORMS WERE PRODUCING VERY HEAVY RAINS...STRONG GUSTY WINDS AND SOME HAIL. ALL STORMS WERE MOVING TO THE NORTH AT 20 MPH. STRONGEST STORMS WERE TO THE WEST AND SOUTHWEST OF OZONA. PERSONS NEAR THESE STORM SHOULD REMAIN ALERT FOR CHANGING WEATHER CONDITIONS. STAY TUNED TO YOUR LOCAL RADIO...TV OR NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.
Special weather statement, May 30, 7:19 PM CDT, 1 hour 56 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO, TX 719 PM CDT SAT MAY 30 1987 ...FLASH FLOOD WATCH IN EFFECT FOR MENARD...MASON...AND KIMBLE COUNTIES TONIGHT AND SUNDAY... THUNDERSTORMS CONTINUE TO INCREASE THIS EVENING AND EXTEND FROM NEAR BIG LAKE SOUTH TO NEAR OZONA TO SOUTHWEST OF MENARD. A FEW THUNDERSTORMS ARE ALSO INDICATED TO THE SOUTHWEST OF SAN ANGELO TO NEAR MERTZON. THE LARGEST THUNDERSTORM IS IN THE VICINTY OF OZONA. ALL STORMS WERE MOVING TO THE NORTH AT 20 MPH. THESE THUNDERSTORMS ARE PRODUCTING VERY HEAVY RAINS...AND THE POSSIBILITY EXISTS FOR LOCAL FLOODING. BE PREPARED FOR RAPIDLY CHANGING WEATHER CONDITIONS. STAY TUNED TO YOUR LOCAL RADIO...TV OR NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 7:50 PM CDT | Flash Flood Warning | SJT | Crockett | 3 hr |
| May 31, 10:22 AM CDT | Flash Flood Warning | SJT | Crockett | 3 hr |
Nearby
Flash Flood Warnings in Texas, 1987Every flash flood 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.