Flash Flood Warning 13, NWS San Angelo, TX

Issued

May 26, 1998, 8:50 PM CDT (01:50 UTC)

Expired

May 26, 1998, 11:50 PM CDT

In force

3 hr

Issued by

NWS San Angelo, TX

Area

Whole counties

Counties Mitchell County, TX, Sterling County, TX

The San Angelo radar (KSJT), 90 km from the middle of the area, began a volume at 01:50 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

000 
TTAA00 KSJT 270150
FFWSJT
TXC335-431-270450-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
850 PM CDT TUE MAY 26 1998

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MITCHELL COUNTY IN NORTHWESTERN TEXAS
  STERLING COUNTY IN WEST CENTRAL TEXAS

* UNTIL 1150 PM CDT

* AT 845 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED A LINE OF THUNDERSTORMS WITH VERY HEAVY RAIN ACROSS
  WESTERN MITCHELL COUNTY AND MUCH OF STERLING COUNTY... MOVING
  NORTHEAST AT 15 MPH.

* A LINE OF STRONG TO SEVERE THUNDERSTORMS PRODUCING VERY HEAVY
  RAINFALL WILL MOVE EAST ACROSS STERLING AND MITCHELL COUNTIES
  THROUGH 10 PM CDT. THESE THUNDERSTORMS WILL BE MOVING OVER AREAS
  PREVIOUSLY SATURATED BY RAINFALL LAST NIGHT AND THIS EVENING
  PRODUCING A SERIOUS FLASH FLOOD THREAT.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGER OF FLOODING.

12

NWS San Angelo, TX wrote its last area forecast discussion before this flash flood warning went out at May 26, 1:57 PM CDT, 6 hours 53 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN ANGELO TX
157 PM CDT TUE MAY 26 1998

FLAT UPPER LEVEL RIDGE ALONG THE GULF COAST WILL BUILD INTO TX
THROUGH THURSDAY...WITH CORRESPONDING INCREASES IN 1000-500 MB
THICKNESSES. THE TRAIN OF WEAK SHORT WAVE TROFS EMBEDDED IN THE
SOUTHWEST FLOW THE PAST 2 DAYS WILL SHIFT NORTH OF WC TX...BUT
SOUTHEAST LOW LEVEL FLOW WILL CONTINUE TO SUPPORT 60+ DEGREE
DEWPOINTS THE NEXT 2 DAYS.

BEST RAIN CHANCE WILL BE THIS EVENING. 18Z ADAP ESTIMATED LIFTED
INDICES WERE -10 TO -12C OVER THE WESTERN 1/3 OF WC TX. THIS AREA IS
WEAKLY CAPPED AND EXPECT STORMS IN THIS REGION INITIALLY DESPITE
RELATIVELY WEAK CONVERGENCE. JTN PROFILER SHOWS UNIMPRESSIVE SPEED
SHEAR...SUGGESTING SLOW MOVING PULSE-TYPE STORMS.

TEMPERATURES TRICKY WITH POTENTIAL STORM OUTFLOW AND DAYTIME HAZE.
GOOD CONSENSUS AMONG THE CONSERVATIVE FAN/FWC GUIDANCE...SEE NO
REASON TO DEVIATE SIGNIFICANTLY.

ABI 065/091 21
SJT 065/092 21
JCT 067/092 1-

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Flash Flood Warnings in Texas, 1998Every flash flood warning in 1998

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; radar from the NEXRAD Level II archive.