Alert archive / Oklahoma / Flash Flood Warnings in 2003

Flash Flood Warning 9, NWS Tulsa, OK

May 19, 2003Tulsa County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at May 19, 2003, 9:11 PM CDT for Tulsa County, 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 19, 2003, 9:11 PM CDT (02:11 UTC)
Expired: May 20, 2003, 12:00 AM CDT
In force: 3 hr
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

County Tulsa County, OK

The radar

The Tulsa radar (KINX), 40 km from the middle of the area, began a volume at 02:12 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, 2.2 hours before the alert went out and 163 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1418 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 913 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 293 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 9.8

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KTSA 200213
FFWTUL
OKC143-200500-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
911 PM CDT MON MAY 19 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR
  TULSA COUNTY IN NORTHEAST OKLAHOMA

* UNTIL MIDNIGHT 

* AT 911 PM CDT RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN 7
  MILES WEST OF GLENPOOL...MOVING NORTHEAST AT 20 MPH. RADAR         
  INDICATES THAT ONE TO TWO INCHES OF RAIN HAS ALREADY FALLEN OVER   
  FAR WESTERN TULSA COUNTY.  A LARGE PORTION OF TULSA COUNTY WILL    
  LIKELY RECIEVE ONE TO TWO INCHES OF RAIN OVER THE NEXT COUPLE OF   
  HOURS...WHICH WILL LIKELY LEAD TO FLASH FLOODING.

* SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN
  INCLUDE TULSA...SAND SPRINGS...BIXBY...JENKS...OWASSO...GLENPOOL
  AND BROKEN ARROW.

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 3639 9583 3598 9577 3589 9603 3608 9603
          3609 9618 3615 9620 3617 9617 3617 9601
          3627 9601

2 follow-up statements

000 
WGUS74 KTSA 200333
FFSTUL
OKC143-200500-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1031 PM CDT MON MAY 19 2003

...FLASH FLOOD WARNING CONTINUES FOR TULSA COUNTY UNTIL MIDNIGHT
   CDT...

AT 1031 PM CDT...RADAR CONTINUED TO SHOW AN AREA OF HEAVY RAIN 1 
MILES WEST OF TULSA...MOVING EAST AT 20 MPH. STORM SPOTTERS REPORTED 
FLASH FLOODING EARLIER IN THE COLLINSVILLE AREA FROM THE EARLIER 
THUNDERSTORM ACTIVITY. 

RADAR INDICATES THAT 2 TO 3 INCHES OF RAIN HAS ALREADY FALLEN OVER 
WESTERN AND NORTHERN SECTIONS OF TULSA COUNTY.  ANOTHER INCH WILL 
BE POSSIBLE THROUGH MIDNIGHT CDT.

SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN
INCLUDE TULSA...JENKS AND OWASSO.

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 3606 9607 3592 9591 3615 9579 3632 9585

000 
WGUS74 KTSA 200457
FFSTUL
OKC143-200530-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1159 PM CDT MON MAY 19 2003

...FLASH FLOOD WARNING FOR TULSA COUNTY HAS BEEN ALLOWED TO EXPIRE...

THE HEAVIER RAIN HAS SHIFTED SOUTHEAST OF TULSA...THEREFORE THE 
FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE.   ADDITIONAL SHOWERS 
AND THUNDERSTORMS WILL REMAIN POSSIBLE...HOWEVER THEY ARE EXPECTED 
TO REMAIN MORE SCATTERED IN NATURE. 


LAT...LON 3603 9603 3590 9587 3603 9579 3620 9588

The office that day

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

Issued	Product	Office	Counties	Lasted
May 19, 7:52 PM CDT	Severe Thunderstorm Warning	TSA	Creek	53 min
May 19, 8:30 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Tulsa	60 min
May 19, 9:23 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Tulsa, Washington	52 min
May 19, 9:28 PM CDT	Severe Thunderstorm Warning	TSA	Okmulgee	47 min
May 19, 9:41 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee	49 min
May 19, 9:48 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	57 min
May 19, 9:56 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Rogers	49 min
May 19, 10:45 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	60 min

Nearby

Flash Flood Warnings in Oklahoma, 2003 Every flash flood warning in 2003

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.