Alert archive / Oklahoma / Flash Flood Warnings in 2002

Flash Flood Warning 36, NWS Tulsa, OK

May 17, 20028 counties in Oklahoma

NWS Tulsa, OK issued this flash flood warning at May 17, 2002, 3:15 AM CDT for 8 counties in Oklahoma. 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 outline as issued.

The facts

Issued
May 17, 2002, 3:15 AM CDT (08:15 UTC)
Expired
May 17, 2002, 6:00 AM CDT
In force
3 hr
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

Counties Cherokee County, OK, Creek County, OK, Delaware County, OK, Mayes County, OK, Muskogee County, OK, Okmulgee County, OK, Tulsa County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 18 km from the middle of the area, began a volume at 08:14 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

Springfield, MO (KSGF), launched 00:00Z, 8.3 hours before the alert went out and 184 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, Springfield, MO at 00:00Z on 2002-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1170 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, Springfield, MO at 00:00Z on 2002-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 166 square meters per square second.19395878Sfc1 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
1170 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
560 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
166 m²/s²
0-3 km storm-relative helicity
235 m²/s²
Significant tornado parameter
1.5
Supercell composite
9.0

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KTSA 170815
FFWTUL
OKC021-037-041-097-101-111-143-145-171115-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
314 AM CDT FRI MAY 17 2002

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR
  CHEROKEE COUNTY IN EAST CENTRAL OKLAHOMA
  MUSKOGEE COUNTY IN EAST CENTRAL OKLAHOMA
  CREEK COUNTY IN NORTHEAST OKLAHOMA
  DELAWARE COUNTY IN NORTHEAST OKLAHOMA
  MAYES COUNTY IN NORTHEAST OKLAHOMA
  OKMULGEE COUNTY IN NORTHEAST OKLAHOMA
  SOUTHERN TULSA COUNTY IN NORTHEAST OKLAHOMA
  WAGONER COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 600 AM CDT

* AT 314 AM CDT RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN
  ALONG A LINE EXTENDING FROM 7 MILES NORTH OF LEACH TO 5 MILES SOUTH
  OF HULBERT TO 2 MILES SOUTHEAST OF BOYNTON TO 5 MILES SOUTH OF     
  SHAMROCK...MOVING EAST AT 20 MPH. RADAR INDICATES THAT 3 TO 4      
  INCHES OF RAIN HAS ALREADY FALLEN OVER THE WARNED AREA. ANOTHER    
  2 TO 3 INCHES WILL BE POSSIBLE THROUGH 615 AM CDT.


BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

LAT...LON 3640 9500 3601 9549 3615 9659 3586 9666
          3572 9625 3558 9523 3577 9488 3624 9472

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 8:50 PM CDTSevere Thunderstorm WarningTSAChoctaw, Pushmataha55 min
May 16, 9:50 PM CDTSevere Thunderstorm WarningTSAPawnee55 min
May 16, 9:55 PM CDTFlash Flood WarningTSAOsage, Pawnee2 hr
May 16, 11:03 PM CDTFlash Flood WarningTSAWashington3 hr
May 16, 11:12 PM CDTSevere Thunderstorm WarningTSAPawnee48 min
May 16, 11:20 PM CDTSevere Thunderstorm WarningTSAOsage40 min
May 16, 11:34 PM CDTSevere Thunderstorm WarningTSAWashington41 min
May 16, 11:43 PM CDTSevere Thunderstorm WarningTSACreek, Tulsa62 min
May 17, 12:26 AM CDTSevere Thunderstorm WarningTSATulsa49 min
May 17, 12:44 AM CDTSevere Thunderstorm WarningTSACreek61 min
May 17, 1:04 AM CDTSevere Thunderstorm WarningTSAOkmulgee56 min
May 17, 1:10 AM CDTSevere Thunderstorm WarningTSARogers, Tulsa, Wagoner50 min
May 17, 1:18 AM CDTFlash Flood WarningTSACreek, Tulsa3 hr
May 17, 1:49 AM CDTSevere Thunderstorm WarningTSACherokee41 min
May 17, 1:58 AM CDTSevere Thunderstorm WarningTSATulsa, Wagoner47 min
May 17, 2:12 AM CDTSevere Thunderstorm WarningTSACreek63 min
May 17, 2:21 AM CDTFlash Flood WarningTSAWagoner3 hr
May 17, 2:34 AM CDTFlash Flood WarningTSAOkmulgee2 hr
May 17, 2:38 AM CDTSevere Thunderstorm WarningTSAMuskogee, Wagoner67 min
May 17, 3:03 AM CDTSevere Thunderstorm WarningTSACherokee57 min
May 17, 3:12 AM CDTSevere Thunderstorm WarningTSACreek, Okfuskee63 min
May 17, 3:37 AM CDTSevere Thunderstorm WarningTSAOkmulgee53 min
May 17, 4:05 AM CDTSevere Thunderstorm WarningTSAMcIntosh40 min
May 17, 4:39 AM CDTSevere Thunderstorm WarningTSAHaskell, Muskogee, Pittsburg51 min
May 17, 5:01 AM CDTSevere Thunderstorm WarningTSASequoyah44 min
May 17, 5:05 AM CDTSevere Thunderstorm WarningTSALatimer40 min
May 17, 5:17 AM CDTSevere Thunderstorm WarningTSAPushmataha43 min
May 17, 5:23 AM CDTSevere Thunderstorm WarningTSALeFlore52 min
May 17, 5:41 AM CDTSevere Thunderstorm WarningTSASequoyah49 min
May 17, 6:10 AM CDTFlash Flood WarningTSACherokee, Creek, Delaware, Mayes, Muskogee, Okmulgee and 2 more6 hr

Nearby

Flash Flood Warnings in Oklahoma, 2002Every flash flood warning in 2002

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.