Alert archive / Oklahoma / Flash Flood Warnings in 2007

Flash Flood Warning 41, NWS Tulsa, OK

June 30, 2007Craig County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Jun 30, 2007, 12:25 AM CDT for Craig County, Oklahoma. It was in force for 95 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
Jun 30, 2007, 12:25 AM CDT (05:25 UTC)
Expired
Jun 30, 2007, 2:00 AM CDT
In force
95 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Craig County, OK

The radar

The Tulsa radar (KINX), 73 km from the middle of the area, began a volume at 05:25 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

Topeka, KS (KTOP), launched 00:00Z, 5.4 hours before the alert went out and 252 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, Topeka, KS at 00:00Z on 2007-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Topeka, KS at 00:00Z on 2007-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
671 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
54 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 
WGUS54 KTSA 300529
FFWTSA
OKC035-300700-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
1225 AM CDT SAT JUN 30 2007

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN CRAIG COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 200 AM CDT

* AT 1221 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH HEAVY RAIN ALONG A LINE EXTENDING FROM 7 MILES
  NORTH OF WELCH TO 3 MILES EAST OF BLUEJACKET...MOVING NORTHEAST AT 
  15 MPH. RADAR INDICATES THAT 1 TO 3 INCHES OF RAIN HAS FALLEN OVER 
  THE FAR NORTHERN SECTIONS OF CRAIG COUNTY. 1 TO 2 INCHES WILL BE   
  POSSIBLE OVER THE FAR NORTHEASTERN SECTIONS OF THE COUNTY THROUGH  
  200 AM CDT. ALTHOUGH THE HEAVY RAIN HAS ENDED IN MUCH OF CRAIG     
  COUNTY...SOME FLOODING CAN BE EXPECTED THROUGH 2 AM NEAR SMALLER   
  STREAMS. 

* THE STORMS PRODUCING THE HEAVY RAINFALL WILL OTHERWISE REMAIN OVER
  MAINLY RURAL AREAS OF THE INDICATED COUNTY.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD TO
UNKNOWN DEPTHS. IT ONLY TAKES TWO FEET OF RUSHING WATER TO CARRY AWAY
MOST SPORT UTILITY VEHICLES AND PICKUPS. TAKE A DIFFERENT ROUTE TO
REACH YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES. REMEMBER...
MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLASH FLOODS. IT IS VERY DIFFICULT AT NIGHT TO TELL HOW
MUCH WATER IS ON THE ROADS. IT ONLY TAKES TWO FEET OF RUSHING WATER
TO CARRY AWAY MOST SPORT UTILITY VEHICLES AND PICKUPS. MOTORISTS
SHOULD NOT DRIVE THROUGH WATER OF UNKNOWN DEPTH. TAKE A DIFFERENT
ROUTE TO REACH YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES.

LAT...LON 3696 9502 3671 9502 3670 9500 3670 9541
      3689 9541 3691 9539 3700 9539 3700 9505

$$
1 follow-up statement
000 
WGUS74 KTSA 300702
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
201 AM CDT SAT JUN 30 2007

OKC035-300711-
CRAIG OK-
201 AM CDT SAT JUN 30 2007

...THE FLASH FLOOD WARNING FOR NORTHERN CRAIG COUNTY EXPIRES AT 200
AM CDT...

THE HEAVY RAINFALL HAS ENDED ACROSS THE WARNED AREA...THEREFORE THE 
FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE. WHILE THE HEAVY RAIN 
HAS ENDED...SMALL STREAMS ACROSS NORTHERN CRAIG COUNTY WILL CONTINUE 
TO RUN HIGH. A FLASH FLOOD WATCH REMAINS IN EFFECT.

TO REPORT PREVIOUS FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
TULSA.

LAT...LON 3696 9502 3671 9502 3670 9500 3670 9541
      3689 9541 3691 9539 3700 9539 3700 9505

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 9:27 PM CDTFlash Flood WarningTSANowata, Washington3 hr
Jun 29, 11:00 PM CDTFlash Flood WarningTSACraig90 min
Jun 30, 3:33 AM CDTFlash Flood WarningTSAOkfuskee, Okmulgee3 hr
Jun 30, 5:59 PM CDTSpecial Weather StatementTSACherokee46 min
Jun 30, 6:00 PM CDTSpecial Weather StatementTSAOttawa30 min

Nearby

Flash Flood Warnings in Oklahoma, 2007Every flash flood warning in 2007

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.