Alert archive / Texas / Flash Flood Warnings in 1987
Flash Flood Warning 5, NWS Corpus Christi, TX
NWS Corpus Christi, TX issued this flash flood warning at May 31, 1987, 12:56 AM CDT for Duval County, Jim Wells County, San Patricio County, Texas. It was in force for 64 min.
The area
The counties it named.
The facts
- Issued
- May 31, 1987, 12:56 AM CDT (05:56 UTC)
- Expired
- May 31, 1987, 2:00 AM CDT
- In force
- 64 min
- Issued by
- NWS Corpus Christi, TX
- Area
- Whole counties
Counties Duval County, TX, Jim Wells County, TX, San Patricio 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
Victoria Regiona, TX (KVCT), launched 00:00Z, 5.9 hours before the alert went out and 161 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
- 2315 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 649 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.8
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, 7:09 PM CDT, 5 hours 47 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE VICTORIA TX
705 PM CDT SAT MAY 30 1987
...A FLASH FLOOD WATCH IS IN EFFECT FOR TONIGHT AND SUNDAY FOR
A LARGE PART OF SOUTH TEXAS...
LIGHT RAINSHOWERS AND ISOLATED THUNDERSTORMS ARE IN WESTERN
GOLIAD COUNTY AND DEWITT COUNTY. THESE THUNDERSTORMS ARE
MOVING TO THE EAST SOUTHEAST NEAR 5 MPH.
AT THIS TIME THERE HAS NOT BEEN ANY REPORTS OF FLOODING
REPORTED TO THIS OFFICE.
]Special weather statement, May 30, 10:16 PM CDT, 2 hours 40 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE VICTORIA TX 1010 PM CDT SAT MAY 30 1987 ...A FLASH FLOOD WATCH IS IN EFFECT FOR TONIGHT AND SUNDAY FOR A LARGE PART OF SOUTH TEXAS... LIGHT RAINSHOWEfRS AND A FEW ISOLATED THUNDERSTORMS HAVE BEEN OCCURRING IN VICTORIA AND SURROUNDING COUNTIES. THESE THUNDERSTORMS WERE MOVING TOWARD THE NORTHEAST AT 15 MPH. AT THIS TIME THERE HAS NOT BEEN ANY REPORTS OF FLOODING REPORTED TO THIS OFFICE.
The office that day
Everything else NWS Corpus Christi, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 9:49 PM CDT | Severe Thunderstorm Warning | CRP | Duval, Jim Wells | 56 min |
| May 30, 9:49 PM CDT | Severe Thunderstorm Warning | CRP | Kleberg | 56 min |
| May 30, 10:41 PM CDT | Flash Flood Warning | CRP | Duval, Jim Wells | 2 hr |
| May 30, 10:41 PM CDT | Flash Flood Warning | CRP | Kleberg | 2 hr |
| May 30, 10:41 PM CDT | Severe Thunderstorm Warning | CRP | Duval, Jim Wells | 64 min |
| May 30, 10:41 PM CDT | Severe Thunderstorm Warning | CRP | Kleberg | 64 min |
| May 30, 11:57 PM CDT | Flash Flood Warning | CRP | San Patricio | 63 min |
| May 31, 12:56 AM CDT | Severe Thunderstorm Warning | CRP | Duval, Jim Wells | 64 min |
| May 31, 12:56 AM CDT | Severe Thunderstorm Warning | CRP | San Patricio | 64 min |
| May 31, 2:41 AM CDT | Flash Flood Warning | CRP | Jim Wells, San Patricio | 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.