Alert archive / Oklahoma / Flash Flood Warnings in 1995

Flash Flood Warning 17, NWS Tulsa, OK

May 7, 1995Creek County, Tulsa County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at May 7, 1995, 10:45 PM CDT for Creek County, Tulsa County, Oklahoma. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
May 7, 1995, 10:45 PM CDT (03:45 UTC)
Expired
May 8, 1995, 1:00 AM CDT
In force
2 hr
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Creek County, OK, Tulsa County, OK

The radar

The Tulsa radar (KINX), 56 km from the middle of the area, began a volume at 03:48 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

Norman, OK (KOUN), launched 00:00Z, 3.8 hours before the alert went out and 143 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 1995-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2076 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 1995-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 311 square meters per square second.1939587897Sfc1 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
2076 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
552 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
311 m²/s²
0-3 km storm-relative helicity
365 m²/s²
Significant tornado parameter
3.8
Supercell composite
18.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 080346
FFWTUL
OKC037-143-080600-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
1045 PM CDT SUN MAY 7 1995
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 100 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST OKLAHOMA
 
   ...CREEK COUNTY...TULSA COUNTY
 
RAINFALL ESTIMATES OF 2 TO 4 INCHES HAVE FALLEN ACROSS THE WARNED AREA
THIS EVENING. ADDITIONAL SHOWERS AND THUNDERSTORMS WILL MOVE THROUGH
THE AREA WITH ADDITIONAL RAINFALL OF UP TO 1 INCH IS POSSIBLE.
 
THE GROUND REMAINS SATURATED FROM RECENT RAINS.  STREET FLOODING
AND FLOODING ALONG STREAMS AND CREEK BASINS WILL BE LIKELY.
 
 
 
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 OR RIVER WHICH CAN BECOME A KILLER DURING
PERIODS OF zHEAVY RAIN.
 
KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.

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 Tulsa, OK wrote its last area forecast discussion before this flash flood warning went out at May 7, 9:01 PM CDT, 1 hour 44 minutes earlier.

Area forecast discussion, May 7, 9:01 PM CDT, 1 hour 44 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
845 PM CDT SUN MAY 7 1995

LN OF SVR STORMS JUST ENTERING WESTERN PART OF FA...EXTENDS
WELL SOUTH INTO TX. OUN SOUNDING CONTAINED OVER 2500 J/KG
CAPE AND CLOSE TO 200 M/S/S...AND MESONET OBS SHOW SFC
DEWPT IN LOWER 70S AHEAD OF STORMS IN E OK. WINDS VEER TO
JUST TO THE WEST BEHIND SQUALL LINE WITH DWPTS DROPING INTO UPPER
50S...BUT WINDS OVER WESTERN OK HAVE BACKED TO SOUTH AHEAD OF
REAL DRYLINE STILL OVER EASTERN PART OF TX PH.

EXPECT SQUALL LN TO CONT TO DVLP EASTWARD INTO FA DURING THE
REST OF THE NIGHT AS MID LVL CAA MOVES OVR HIGHER DWPTS.
MOST OF NE OK HAS ALREADY RECEIVED FROM 1 TO 4 INCHES OF
RAIN AND ADDITIONAL RAINS CUD CAUSE MAJOR FLOODING PROBLEMS.
MANY RIVERS IN NE OK NEAR OR OVR BANKFULL SO BACKWATER WILL ADD
TO FLASH FLOOD POTENTIAL.
FLASH FLOOD GUIDENCE ALSO LOW OVR REST OF FA...AND FROM 2 TO 4
INCHES OF RAIN MAY FALL ELSEWHERE THROUGH EARLY MONDAY MORNING.
WILL KEEP FFA GOING AS IN PREV FCST.

NO NEW MODEL DATA TO LUK AT...BUT APPEARS LLVL MOIST SHUD SHALLOW OUT
QUICKLY MONDAY MORNING FROM WEST TO EAST. BEST CHC FOR LINGERING
MORNING TRW IN SE OK AND W ARK.

WILL UP POPS TO CLOSE TO 100% OVR ALL OF FA REST OF TONIGHT. PCP SHUD
TAPER AFTER MIDNIGHT FROM W TO E...BUT WILL LEAVE SLGT CHC IN WRN ZNS
FOR MORNING RW AND 40-50% POPS IN EASTERN ZNS ON MONDAY.
/13

.TUL...FFA OKZ054>077-ARZ001-002-010-011-019-0029 TONIGHT.

In the hours before

Special weather statement, May 7, 7:14 PM CDT, 3 hours 31 minutes before
OKZ054-059-060-064-080100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
715 PM CDT SUN MAY 7 1995

...STRONG TO SEVERE THUNDERSTORMS WILL MOVE BACK INTO PARTS OF
OSAGE...PAWNEE AND CREEK COUNTIES BY 8PM...

AT 710PM...RADAR SHOWED A LINE OF STRONG TO SEVERE THUNDERSTORMS MOVING
EAST THROUGH KAY...NOBLE AND PAYNE COUNTIES. THE STORMS WERE MOVING
NORTHEAST AT 35 TO 40 MPH AND MAY CONTAIN LARGE HAIL AND STRONG WINDS.
THEY MAY MOVE ~INTO THE BURBANK...FAIRFAX...PAWNEE AND DRUMRIGHT AREAS.
PEOPLE IN THOSE AREAS SHOULD LISTEN FOR FURTHER UPDATES AND POSSIBLE
WARNINGS BETWEEN 730PM AND 8PM.

A TORNADO WATCH IS ALSO IN EFFECT FOR THIS AREA UNTIL MIDNIGHT.
Local storm report, May 7, 10:45 PM CDT, 0 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1035 PM CDT SUN MAY 07 1995

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0805 PM    FORAKER                   OK   60 MPH TSTM GUST.
05/07/95   OSAGE

0810 PM    DRUMRIGHT                 OK   0.88 INCH HAIL.
05/07/95   CREEK

0830 PM    5 S PAWHUSKA              OK   WIND DAMAGE
05/07/95   OSAGE                          TREES BLOWN DOWN.

0850r PM    SAND SPRINGS              OK   60 MPH TSTM GUST.
05/07/95   TULSA

0905 PM    TULSA                     OK   70 MPH TSTM GUST
05/07/95   TULSA                          OBSERVED BY NWS METS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 9:22 PM CDTSevere Thunderstorm WarningTSACraig, Mayes68 min
May 7, 9:22 PM CDTSevere Thunderstorm WarningTSACherokee68 min
May 7, 10:57 PM CDTSevere Thunderstorm WarningTSAAdair48 min
May 7, 11:05 PM CDTSevere Thunderstorm WarningTSAPittsburg40 min
May 7, 11:24 PM CDTSevere Thunderstorm WarningTSAHaskell, Latimer51 min
May 8, 12:11 AM CDTSevere Thunderstorm WarningTSALeFlore, Sequoyah64 min

Nearby

Flash Flood Warnings in Oklahoma, 1995Every flash flood warning in 1995

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.