Alert archive / Oklahoma / Flash Flood Warnings in 2004

Flash Flood Warning 20, NWS Tulsa, OK

May 13, 2004Delaware County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at May 13, 2004, 2:48 PM CDT for Delaware County, Oklahoma. It was in force for 4 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 13, 2004, 2:48 PM CDT (19:48 UTC)
Expired
May 13, 2004, 6:45 PM CDT
In force
4 hr
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

County Delaware County, OK

The radar

The Tulsa radar (KINX), 69 km from the middle of the area, began a volume at 19:50 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.

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 7.8 hours before the alert went out and 238 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, Lamont, OK at 12:00Z on 2004-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2528 joules per kilogram.LCLLFCEL10008507005003002001001 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, Lamont, OK at 12:00Z on 2004-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 339 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
2528 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
678 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
339 m²/s²
0-3 km storm-relative helicity
384 m²/s²
Significant tornado parameter
0.0
Supercell composite
10.6

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KTSA 131949
FFWTUL
OKC041-132345-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
248 PM CDT THU MAY 13 2004

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR
  DELAWARE COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 645 PM CDT

* AT 248 PM CDT RADAR INDICATED THAT THUNDERSTORMS WITH VERY HEAVY
  RAIN WILL CONTINUE TO TRACK ACROSS DELAWARE COUNTY THROUGH 5PM.  
  RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE LIKELY AND THIS WILL CAUSE
  FLOODING OF LOW-LYING AREAS AND SMALL CREEKS AND STREAMS.


A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR IS 
OCCURRING. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO 
STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS.
CAMPERS SHOULD AVOID CAMPING ALONG STREAMS OR CREEKS DURING 
THREATENING RAINS.

LAT...LON 3619 9501 3619 9462 3668 9461 3668 9494

$$
1 follow-up statement
000 
WGUS74 KTSA 132343
FFSTUL
OKC041-140015-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
645 PM CDT THU MAY 13 2004

...FLASH FLOOD WARNING FOR DELAWARE COUNTY HAS EXPIRED...

RAINFALL HAS DIMINISHED ACROSS DELAWARE COUNTY AND THE THREAT FOR 
ADDITIONAL FLOODING IS DIMINISHING FOR THE TIME BEING.

A FEW THUNDERSTORMS MAY REDEVELOP ACROSS THE REGION LATER THIS 
EVENING AND ANY ADDITIONAL STORM RAINS COULD POSE ANOTHER FLOOD 
THREAT.  THEREFORE PEOPLE IN DELAWARE COUNTY SHOULD REMAIN ALERT.

LAT...LON 3621 9499 3621 9462 3666 9466 3665 9497

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 11:14 AM CDTSevere Thunderstorm WarningTSANowata, Rogers61 min
May 13, 12:25 PM CDTSevere Thunderstorm WarningTSACraig, Mayes, Rogers65 min
May 13, 12:46 PM CDTSevere Thunderstorm WarningTSAWagoner59 min
May 13, 1:50 PM CDTSevere Thunderstorm WarningTSACherokee, Muskogee, Wagoner40 min
May 13, 1:51 PM CDTSevere Thunderstorm WarningTSACreek39 min
May 13, 2:08 PM CDTSevere Thunderstorm WarningTSADelaware52 min
May 13, 2:43 PM CDTSevere Thunderstorm WarningTSATulsa47 min
May 13, 2:49 PM CDTSevere Thunderstorm WarningTSAWagoner41 min
May 13, 3:11 PM CDTSevere Thunderstorm WarningTSATulsa19 min
May 13, 3:16 PM CDTFlash Flood WarningTSARogers, Tulsa4 hr
May 13, 3:22 PM CDTSevere Thunderstorm WarningTSATulsa38 min
May 13, 3:31 PM CDTSevere Thunderstorm WarningTSAWagoner44 min
May 13, 3:32 PM CDTTornado WarningTSACreek, Tulsa43 min
May 13, 3:41 PM CDTTornado WarningTSACreek, Tulsa34 min
May 13, 4:01 PM CDTFlash Flood WarningTSAWagoner4 hr
May 13, 4:25 PM CDTSevere Thunderstorm WarningTSAWagoner50 min
May 13, 4:35 PM CDTSevere Thunderstorm WarningTSACherokee, Muskogee40 min
May 13, 4:42 PM CDTSevere Thunderstorm WarningTSASequoyah48 min
May 13, 5:01 PM CDTFlash Flood WarningTSACherokee4 hr
May 13, 5:07 PM CDTSevere Thunderstorm WarningTSAHaskell53 min
May 13, 6:30 PM CDTSevere Thunderstorm WarningTSALeFlore45 min

Nearby

Flash Flood Warnings in Oklahoma, 2004Every flash flood warning in 2004

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.