Alert archive / Oklahoma / Flash Flood Warnings in 1997

Flash Flood Warning 41, NWS Tulsa, OK

October 31, 1997Pittsburg County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Oct 31, 1997, 1:04 AM CST for Pittsburg County, Oklahoma. It was in force for 116 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 31, 1997, 1:04 AM CST (07:04 UTC)
Expired
Oct 31, 1997, 3:00 AM CST
In force
116 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Pittsburg County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 7.1 hours before the alert went out and 154 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.

Skew-T log-pSkew-T log-p diagram, Norman, OK at 00:00Z on 1997-10-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 271 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 1997-10-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
271 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
1712 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KTUL 310706
FFWTUL
OKC121-310900-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
104 AM CST FRI OCT 31 1997
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  300 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST OKLAHOMA
 
   ...SOUTHERN PITTSBURG COUNTY
 
VERY HEAVY RAIN CONTINUES TO FALL OVER SOUTHERN PITTSBURG COUNTY WHERE
WEATHER RADAR ESTIMATES 3 TO 4 INCHES OF RAIN HAS FALLEN.
 
THE HEAVIEST RAINS HAD FALLEN FROM SOUTH OF THE BLANCO AREA STRETCHING
EASTWARD TOWARD THE LATIMER COUNTY LINE.
 
THE RAIN IS EXPECTED TO TAPER OFF BY AROUND 2 AM...BUT AN ADDITIONAL
INCH OR TWO OF RAINFALL IS POSSIBLE OVER THE WARNED AREA BEFORE THE
RAINS END.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS LIKELY OR HAS BEEN
REPORTED.  STAY ALERT AND WATCH FOR RAPIDLY RISING WATER.
REMEMBER...IT'S IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO THE
NEAREST STREAM...CREEK JOR RIVER WHICH CAN BECOME A KILLER DURING
PERIODS OF HEAVY RAIN.
 
KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 30, 11:01 PM CSTSevere Thunderstorm WarningTSAMcIntosh44 min
Oct 30, 11:15 PM CSTSevere Thunderstorm WarningTSAPittsburg45 min
Oct 30, 11:56 PM CSTSevere Thunderstorm WarningTSAPittsburg49 min
Oct 31, 12:45 AM CSTSevere Thunderstorm WarningTSAPittsburg45 min

Nearby

Flash Flood Warnings in Oklahoma, 1997Every flash flood warning in 1997

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.