Alert archive / Texas / Flash Flood Warnings in 1998
Flash Flood Warning 27, NWS Midland/Odessa, TX
NWS Midland/Odessa, TX issued this flash flood warning at Sep 22, 1998, 4:36 PM CDT for Pecos County, Texas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 22, 1998, 4:36 PM CDT (21:36 UTC)
- Expired
- Sep 22, 1998, 7:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Midland/Odessa, TX
- Area
- Whole counties
County Pecos County, TX
The radar
The Midland/Odessa radar (KMAF), 139 km from the middle of the area, began a volume at 21:37 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.
The nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 9.6 hours before the alert went out and 139 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
- 1118 J/kg
- Mixed-layer CIN
- -162 J/kg
- Mixed-layer LCL
- 1592 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMAF 222136 FFWMAF TXC371-230030- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MIDLAND TX 436 PM CDT TUE SEP 22 1998 THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHERN PECOS COUNTY IN WESTERN TEXAS * UNTIL 730 PM CDT * AT 430 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT CLUSTERS OF THUNDERSTORMS WITH VERY HEAVY RAIN WERE LOCATED OVER SOUTHERN PECOS COUNTY BETWEEN HIGHWAYS 385 AND 285...MOVING SLOWLY EAST. * EXCESSIVE RAINFALL AT THE RATE OF 2 INCHES PER HOUR WILL PRODUCE FLOODING ACROSS AROUND BIG CANYON DRAW AND ACROSS HIGHWAY 285 THROUGH 730 PM CDT. DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD! TJT/MEY
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.
NWS Midland/Odessa, TX wrote its last area forecast discussion before this flash flood warning went out at Sep 22, 2:33 PM CDT, 2 hours 3 minutes earlier.
Area forecast discussion, Sep 22, 2:33 PM CDT, 2 hours 3 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIDLAND TX 232 PM CDT (132 PM MDT) TUE SEP 22 1998 LATEST SATELLITE IMAGERY AND SURFACE ANALYSIS INDICATE THAT FRONT IS LOCATED FROM MWL TO SJT TO SOUTH OF FST. FRONT SHOULD BEGIN TO SLOW UP AS DAYTIME HEATING AHEAD OF IT CONTINUES. AT FIRST WAS NOT QUITE SURE WHAT WAS SUSTAINING THE CONVECTION WHICH HAS BEEN OCCURING ALL DAY OVER WESTERN COUNTIES OF THE CWA. HOWEVER...PCGRIDDS DATA INDICATED GOOD CONVERGENCE ALOFT (250MB) AND FAIRLY STEEP MID LEVEL LAPSE RATES OVER THAT REGION. AFTER THE 12Z INITIALIZATION OF THE MODELS THEY ARE NOT SURE WHAT TO DO WITH THIS FEATURE. THEY CONTINUE TO TRY TO MOVE IT EAST...HOWEVER THE LINE OF CONVECTION HAS BEEN NEARLY STATIONARY ALL DAY WITH INDIVIDUAL CELLS MOVING NORTHEAST UP THE LINE. HAVE CHECKED WITH LAW ENFORCEMENT OFFICIALS IN JEFF DAVIS COUNTY...THEY ARE INDICATING THAT THERE IS NO PROBLEM WITH FLOODING IN THEIR COUNTY. ISOLATED STRONG THUNDERSTORMS BEGINNING TO FIRE ALONG THE FRONTAL BOUNDARY JUST NORTH AND NORTHWEST OF CROCKETT COUNTY AS OF 1915Z. EXPECT THAT THUNDERSTORMS WILL CONTINUE INTO THE EVENING HOURS...ESPECIALLY IF WINDS BECOME SOUTHEASTERLY OVER THE AREA AS INDICATED BY THE MODELS. BIG QUESTION FOR TONIGHT IS HOW FAR NORTH/NORTHEAST WILL THE FRONT RETREAT. MY QUESS IS THAT FRONT WILL REMAIN FAIRLY STATIONARY OVERNIGHT WITH OVERRUNNING CONDITIONS SETTING UP...AND THEN BEGIN MOVING NORTHEAST TOMORROW. FOR NOW I WILL LEAN TOWARD THIS SCENARIO. WILL USE A BLEND OF THE FAN/FWC GUIDANCE...HOWEVER WILL STICK WITH PREVIOUS FORECAST TRENDS FOR WEST TEXAS AND SOUTHEAST NEW MEXICO. MAF 63/89 3/2 CNM 63/89 2/2 MRF 64/86 3/2 P07 72/90 2/2 PLM
In the hours before
Special weather statement, Sep 22, 12:45 PM CDT, 3 hours 51 minutes before
NMZ027>029-TXZ045>048-050>052-057>063-067>070-074-075-079>082-231100- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE MIDLAND TX 1245 PM CDT (1145 AM MDT) TUE SEP 22 1998 THIS OUTLOOK PERTAINS TO THE FOLLOWING COUNTIES IN WEST TEXAS: ANDREWS CULBERSON GLASSCOCK MARTIN REAGAN UPTON BORDEN DAWSON HOWARD MIDLAND REEVES WARD BREWSTER ECTOR JEFF DAVIS PECOS SCURRY WINKLER CRANE GAINES LOVING PRESIDIO TERRELL AND IN SOUTHEAST NEW MEXICO: EDDY LEA SYNOPSIS: SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS THE AREA TODAY AS A COLD FRONT SAGS SOUTHWARD THROUGH THE AREA. THERE HAS BEEN SOME PRECIPITATION THIS MORNING ALONG THE FRONT WHICH IS EXPECTED TO BECOME THE FOCUS FOR THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND EVENING. IN ADDITION...SCATTERED THUNDERSTORMS WHICH DEVELOPED OVERNIGHT IN THE TRANS-PECOS REGION WILL CONTINUE THROUGH THE AFTERNOON AND INTO THE EVENING. THESE STORMS SHOULD REMAIN BELOW SEVERE LIMITS...ALTHOUGH THE STRONGER STORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH...SMALL HAIL AND BRIEF HEAVY RAIN. SPOTTER ACTIVATION IS NOT ANTICIPATED. FOR THE WEST CENTRAL TEXAS OUTLOOK SEE PRODUCT LBBSPSSJT. 16
The office that day
Everything else NWS Midland/Odessa, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 2:49 PM CDT | Severe Thunderstorm Warning | MAF | Pecos | 51 min |
Nearby
Flash Flood Warnings in Texas, 1998Every flash flood warning in 1998
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; radar from the NEXRAD Level II archive.