Alert archive / Oklahoma / River Flood Warnings in 2007

River Flood Warning 21, NWS Norman, OK

August 20, 2007Cleveland County, McClain County, Pottawatomie County, Oklahoma

NWS Norman, OK issued this river flood warning at Aug 20, 2007, 6:41 AM CDT for Cleveland County, McClain County, Pottawatomie County, Oklahoma. It took effect at Aug 20, 2007, 6:51 AM CDT. It was in force for 51 hr.

The area

The counties it named.

The facts

Issued: Aug 20, 2007, 6:41 AM CDT (11:41 UTC)
In effect from: Aug 20, 2007, 6:51 AM CDT
Expired: Aug 22, 2007, 9:34 AM CDT
In force: 51 hr
Issued by: NWS Norman, OK
Flood severity: Minor

Counties Cleveland County, OK, McClain County, OK, Pottawatomie County, OK

The radar

The Norman radar (KTLX), 22 km from the middle of the area, began a volume at 11:45 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 river

Written for the forecast point Canadian River at Purcell (PRCO2).

Action stage: 11 ft
Minor stage: 12 ft
Moderate stage: 13 ft
Major stage: 14 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07229200, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

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

000 
WGUS44 KOUN 201141
FLWOUN
FLOOD WARNING
NATIONAL WEATHER SERVICE NORMAN OK
641 AM CDT MON AUG 20 2007

OKC027-087-125-202341-
/O.NEW.KOUN.FL.W.0021.070820T1151Z-070822T1000Z/
/PRCO2.1.ER.070820T1151Z.070820T1800Z.070822T0400Z.NR/
641 AM CDT MON AUG 20 2007

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A 

* FLOOD WARNING FOR 
  THE CANADIAN RIVER AT PURCELL. 
  
* UNTIL LATE TUESDAY NIGHT . 
  
* THE CURRENT STAGE IS UNKNOWN.  
  
* MINOR FLOODING IS FORECAST.  
  
* FLOOD STAGE IS 12.0 FEET. 
  
* FORECAST...THE CANADIAN RIVER WILL RISE ABOVE FLOOD STAGE THIS 
  MORNING AND CONTINUE TO RISE TO NEAR 12.8 FEET BY EARLY MONDAY 
  AFTERNOON. THE CANADIAN RIVER WILL FALL BELOW FLOOD STAGE BY
  LATE TUESDAY EVENING. 
  
* FLOOD HISTORY...THIS CREST COMPARES TO THE PREVIOUS CREST STAGE OF
  11.9 FEET ON JUNE 5 1995... OR 13.4 FEET ON JUNE 10 1995.
  
  PEOPLE IN FLOOD PRONE AREAS SHOULD ACT NOW TO EVACUATE AND MOVE TO 
  HIGHER GROUND. DO NOT ENTER ALREADY FLOODED AREAS OR ATTEMPT TO 
  CROSS ROADWAYS COVERED BY HIGH WATER. STAY TUNED FOR FURTHER 
  INFORMATION BY LISTENING TO WEATHER RADIO OR LOCAL MEDIA SOURCES.

$$

9 follow-up statements

000 
WGUS44 KOUN 201538
FLWOUN
FLOOD WARNING
NATIONAL WEATHER SERVICE NORMAN OK
1038 AM CDT MON AUG 20 2007

OKC027-087-125-210338-
/O.EXT.KOUN.FL.W.0021.000000T0000Z-070823T0900Z/
/PRCO2.2.ER.070820T0926Z.070821T1200Z.070823T0300Z.NR/
1038 AM CDT MON AUG 20 2007

...OBSERVED FLOODING INCREASED FROM MINOR TO MODERATE SEVERITY...
...FORECAST FLOODING INCREASED FROM MINOR TO MODERATE SEVERITY...

THE FLOOD WARNING CONTINUES FOR 
  THE CANADIAN RIVER AT PURCELL. 

* UNTIL LATE WEDNESDAY NIGHT. 
  
* AT 10:00 AM MONDAY THE STAGE WAS 13.5 FEET.  
  
* MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST. 
  
* FLOOD STAGE IS 12.0 FEET. 
  
* FORECAST...THE CANADIAN RIVER WILL CONTINUE RISING TO NEAR 13.8 
  FEET BY MID TUESDAY MORNING. THE CANADIAN RIVER WILL FALL BELOW 
  FLOOD STAGE LATE WEDNESDAY EVENING. 
  
* FLOOD HISTORY...THIS CREST COMPARES TO THE PREVIOUS CREST STAGE OF
  13.4 FEET ON JUNE 10 1995.
  
  PEOPLE IN FLOOD PRONE AREAS SHOULD ACT NOW TO EVACUATE AND MOVE TO 
  HIGHER GROUND. DO NOT ENTER ALREADY FLOODED AREAS OR ATTEMPT TO 
  CROSS ROADWAYS COVERED BY HIGH WATER. STAY TUNED FOR FURTHER 
  INFORMATION BY LISTENING TO WEATHER RADIO OR LOCAL MEDIA SOURCES.

$$

000 
WGUS44 KOUN 202018
FLWOUN
FLOOD WARNING
NATIONAL WEATHER SERVICE NORMAN OK
318 PM CDT MON AUG 20 2007

OKC027-087-125-210818-
/O.EXT.KOUN.FL.W.0021.000000T0000Z-070823T1648Z/
/PRCO2.3.ER.070820T0926Z.070821T1200Z.070823T1048Z.NR/
318 PM CDT MON AUG 20 2007

...FORECAST FLOODING INCREASED FROM MODERATE TO MAJOR SEVERITY...
 
THE FLOOD WARNING CONTINUES FOR 
  THE CANADIAN RIVER AT PURCELL. 

* UNTIL THURSDAY MORNING. 
  
* AT 2:30 PM MONDAY THE STAGE WAS 13.8 FEET.  
  
* MODERATE FLOODING IS OCCURRING AND MAJOR FLOODING IS FORECAST. 
  
* FLOOD STAGE IS 12.0 FEET. 
  
* FORECAST...THE CANADIAN RIVER WILL CONTINUE RISING AND CREST NEAR 
  14.0 FEET BY MID TUESDAY MORNING. THE CANADIAN RIVER WILL FALL 
  BELOW FLOOD STAGE EARLY THURSDAY MORNING. 
  
* FLOOD HISTORY...THIS CREST COMPARES TO THE PREVIOUS CREST STAGE OF
  14.0 FEET ON MAY 26 1995... AND 14.4 FEET ON MAY 9 1993.
  
  PEOPLE IN FLOOD PRONE AREAS SHOULD ACT NOW TO EVACUATE AND MOVE TO 
  HIGHER GROUND. DO NOT ENTER ALREADY FLOODED AREAS OR ATTEMPT TO 
  CROSS ROADWAYS COVERED BY HIGH WATER. STAY TUNED FOR FURTHER 
  INFORMATION BY LISTENING TO WEATHER RADIO OR LOCAL MEDIA SOURCES.

$$

000 
WGUS84 KOUN 210252
FLSOUN
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE NORMAN OK
952 PM CDT MON AUG 20 2007

OKC017-027-051-087-211052-
/O.EXT.KOUN.FL.W.0012.000000T0000Z-070821T1500Z/
/UNIO2.3.ER.000000T0000Z.070820T1930Z.070821T0900Z.NR/
952 PM CDT MON AUG 20 2007

THE FLOOD WARNING CONTINUES FOR
  THE CANADIAN RIVER NEAR UNION CITY. 
  
* UNTIL TUESDAY MORNING. 
  
* AT 7:00 PM MONDAY THE STAGE WAS 8.5 FEET. 
  
* MODERATE FLOODING IS OCCURRING. 
  
* FLOOD STAGE IS 7.0 FEET. 
  
* FORECAST...THE CANADIAN RIVER HAS CRESTED AND WILL CONTINUE TO 
  FALL. THE CANADIAN RIVER WILL FALL BELOW FLOOD STAGE BY EARLY 
  TUESDAY MORNING. 
  
$$

OKC027-087-125-211052-
/O.EXT.KOUN.FL.W.0021.000000T0000Z-070822T1300Z/
/PRCO2.3.ER.070820T0926Z.070821T0045Z.070822T0700Z.NR/
952 PM CDT MON AUG 20 2007

THE FLOOD WARNING CONTINUES FOR
  THE CANADIAN RIVER AT PURCELL. 
  
* UNTIL WEDNESDAY MORNING. 
  
* AT 7:45 PM MONDAY THE STAGE WAS 14.0 FEET. 
  
* MAJOR FLOODING IS OCCURRING. 
  
* FLOOD STAGE IS 12.0 FEET. 
  
* FORECAST...THE CANADIAN RIVER IS NEAR CREST AND WILL BEGIN 
  FALLING BY MID MORNING MONDAY. THE CANADIAN RIVER WILL FALL BELOW 
  FLOOD STAGE BY EARLY WEDNESDAY MORNING. 
  
* FLOOD HISTORY...THIS CREST COMPARES TO THE PREVIOUS CREST STAGE OF
  14.0 FEET ON MAY 26 1995.

$$

OKC125-133-210921-
/O.EXT.KOUN.FL.W.0016.000000T0000Z-070821T0921Z/
/TCMO2.2.ER.070819T1537Z.070820T0830Z.070821T0321Z.NO/
952 PM CDT MON AUG 20 2007

...FLOOD WARNING EXTENDED UNTIL LATE TONIGHT...
 
THE FLOOD WARNING CONTINUES FOR
  THE LITTLE RIVER NEAR TECUMSEH. 
  
* UNTIL LATE TONIGHT. 
  
* AT 9:30 PM MONDAY THE STAGE WAS 11.4 FEET. 
  
* MINOR FLOODING IS OCCURRING AND NONFLOOD FLOODING IS FORECAST. 
  
* FLOOD STAGE IS 11.0 FEET. 
  
* FORECAST...THE LITTLE RIVER HAS CRESTED AND WILL CONTINUE TO FALL. 
  THE LITTLE RIVER WILL FALL BELOW FLOOD STAGE BY LATE MONDAY 
  EVENING. 
  
$$

000 
WGUS84 KOUN 210902
FLSOUN
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE NORMAN OK
402 AM CDT TUE AUG 21 2007

OKC027-087-125-211702-
/O.EXT.KOUN.FL.W.0021.000000T0000Z-070823T1030Z/
/PRCO2.3.ER.070820T0926Z.070821T0515Z.070823T0430Z.NR/
402 AM CDT TUE AUG 21 2007

...FLOOD WARNING EXTENDED UNTIL LATE WEDNESDAY NIGHT...
 
THE FLOOD WARNING CONTINUES FOR
  THE CANADIAN RIVER AT PURCELL. 
  
* UNTIL LATE WEDNESDAY NIGHT. 
  
* AT 12:15 AM TUESDAY THE STAGE WAS 14.4 FEET. 
  
* MAJOR FLOODING IS OCCURRING AND IS FORECAST TO CONTINUE. 
  
* FLOOD STAGE IS 12.0 FEET. 
  
* FORECAST...THE CANADIAN RIVER WAS NEARING THE FORECAST CREST 14.7 AND
  WILL FALL BELOW FLOOD STAGE BY LATE WEDNESDAY EVENING. 

* FLOOD HISTORY...THIS CREST COMPARES TO THE PREVIOUS CREST STAGE OF 
  14.7 FEET ON MAY 29 1987.
  
$$

000 
WGUS84 KOUN 211516
FLSOUN
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE NORMAN OK
1016 AM CDT TUE AUG 21 2007

OKC027-087-125-212316-
/O.EXT.KOUN.FL.W.0021.000000T0000Z-070822T1942Z/
/PRCO2.3.ER.070820T0926Z.070821T1300Z.070822T1342Z.NR/
1016 AM CDT TUE AUG 21 2007

THE FLOOD WARNING CONTINUES FOR
  THE CANADIAN RIVER AT PURCELL. 
  
* UNTIL WEDNESDAY AFTERNOON. 
  
* AT  8:00 AM TUESDAY THE STAGE WAS 14.5 FEET. 
  
* MAJOR FLOODING IS OCCURRING AND MAJOR FLOODING IS FORECAST. 
  
* FLOOD STAGE IS 12.0 FEET. 
  
* FORECAST...THE CANADIAN RIVER IS NEAR CREST AND WILL BEGIN FALLING 
  BY LATE TUESDAY AFTERNOON. THE CANADIAN RIVER WILL FALL BELOW FLOOD 
  STAGE BY MID WEDNESDAY MORNING. 
  
* FLOOD HISTORY...THIS CREST COMPARES TO THE PREVIOUS CREST STAGE OF
  14.4 FEET ON MAY 9 1993... AND A CREST STAGE OF 14.5 FEET ON 
  MAY 19 1982.

$$

000 
WGUS84 KOUN 211947
FLSOUN
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE NORMAN OK
247 PM CDT TUE AUG 21 2007

OKC027-087-125-220347-
/O.EXT.KOUN.FL.W.0021.000000T0000Z-070823T1312Z/
/PRCO2.3.ER.070820T0926Z.070822T0000Z.070823T0712Z.NO/
247 PM CDT TUE AUG 21 2007

...FLOOD WARNING EXTENDED UNTIL THURSDAY MORNING...
 
THE FLOOD WARNING CONTINUES FOR
  THE CANADIAN RIVER AT PURCELL. 
  
* UNTIL THURSDAY MORNING. 
  
* AT 1:00 PM TUESDAY THE STAGE WAS 14.75 FEET. 
  
* MAJOR FLOODING IS OCCURRING AND MAJOR FLOODING IS FORECAST. 
  
* FLOOD STAGE IS 12.0 FEET. 
  
* FORECAST...THE CANADIAN RIVER WILL CONTINUE RISING SLIGHTLY AND 
  CREST NEAR 14.8 FEET TUESDAY EVENING. THE CANADIAN RIVER WILL 
  FALL BELOW FLOOD STAGE EARLY THURSDAY MORNING. THE CANADIAN RIVER 
  IS CURRENTLY CRESTING UPSTREAM NEAR THE CITY OF NORMAN... AND THE 
  RIVER LEVELS IN THIS AREA SHOULD BEGIN FALLING BY LATE TUESDAY 
  AFTERNOON.
  
* FLOOD HISTORY...THIS CREST COMPARES TO THE PREVIOUS CREST STAGE OF
  14.8 FEET ON MAY 29 1987.

$$

000 
WGUS84 KOUN 220126
FLSOUN
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE NORMAN OK
825 PM CDT TUE AUG 21 2007

OKC027-087-125-220925-
/O.CON.KOUN.FL.W.0021.000000T0000Z-070823T1312Z/
/PRCO2.3.ER.070820T0926Z.070822T0000Z.070823T0712Z.NO/
825 PM CDT TUE AUG 21 2007

THE FLOOD WARNING CONTINUES FOR
  THE CANADIAN RIVER AT PURCELL. 
  
* UNTIL THURSDAY MORNING. 
  
* AT 7:00 PM TUESDAY THE STAGE WAS 15.0 FEET. 
  
* MAJOR FLOODING IS OCCURRING AND MAJOR FLOODING IS FORECAST. 
  
* FLOOD STAGE IS 12.0 FEET. 
  
* FORECAST...THE CANADIAN RIVER AT PURCELL IS NEAR CREST AND WILL 
  BEGIN FALLING WEDNESDAY MORNING. THE CANADIAN RIVER WILL FALL 
  BELOW FLOOD STAGE BY EARLY THURSDAY MORNING. THE CANADIAN RIVER 
  CRESTED TUESDAY AFTERNOON UPSTREAM NEAR THE CITY OF NORMAN... AND 
  THE RIVER LEVELS IN THIS AREA WILL CONTINUE TO FALL.
  
* FLOOD HISTORY...THIS CREST COMPARES TO THE PREVIOUS CREST STAGE OF
  14.8 FEET ON MAY 29 1987.

$$

000 
WGUS84 KOUN 220758
FLSOUN
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE NORMAN OK
258 AM CDT WED AUG 22 2007

OKC027-087-125-221558-
/O.EXT.KOUN.FL.W.0021.000000T0000Z-070823T1300Z/
/PRCO2.3.ER.070820T0926Z.070822T0000Z.070823T0700Z.NO/
258 AM CDT WED AUG 22 2007

THE FLOOD WARNING CONTINUES FOR
  THE CANADIAN RIVER AT PURCELL. 
  
* UNTIL THURSDAY MORNING. 
  
* AT 7:00 PM TUESDAY THE STAGE WAS 15.0 FEET. 
  
* MAJOR FLOODING IS OCCURRING AND IS FORECAST TO CONTINUE THIS MORNING. 
  
* FLOOD STAGE IS 12.0 FEET. 
  
* FORECAST...THE CANADIAN RIVER HAS CRESTED AND WILL BEGIN FALLING DURING
  THE MORNING. THE CANADIAN RIVER WILL FALL BELOW FLOOD STAGE BY EARLY 
  THURSDAY MORNING. 
  
* FLOOD HISTORY...THIS CREST COMPARES TO THE PREVIOUS CREST STAGE OF
  15.1 FEET ON APRIL 20 1990.

$$

000 
WGUS84 KOUN 221434
FLSOUN
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE NORMAN OK
934 AM CDT WED AUG 22 2007

OKC027-087-125-221504-
/O.CAN.KOUN.FL.W.0021.000000T0000Z-070823T1300Z/
/PRCO2.3.ER.070820T0926Z.070822T0000Z.070822T1200Z.NO/
934 AM CDT WED AUG 22 2007

THE FLOOD WARNING IS CANCELLED FOR
  THE CANADIAN RIVER AT PURCELL. 
  
* AT 9:30 AM WEDNESDAY THE STAGE WAS 11.5 FEET. 
  
* THE CANADIAN RIVER FELL BELOW FLOOD STAGE AT 7:00 AM WEDNESDAY. 
  
* FLOOD STAGE IS 12.0 FEET. 
  
* FORECAST...THE CANADIAN RIVER WILL CONTINUE TO FALL TO 9.5 FEET BY 
  MID THURSDAY MORNING. 
  
  THE CANADIAN RIVER CRESTED AT 15.0 FEET TUESDAY EVENING AND 
  HAS FALLEN BELOW FLOOD STAGE AT THIS LOCATION. THIS WILL BE THE 
  LAST STATEMENT FOR THIS LOCATION FOR THIS EVENT.

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 19, 9:37 PM CDT	River Flood Warning	OUN	Logan	23 hr
Aug 19, 9:37 PM CDT	River Flood Warning	OUN	Logan, Payne	15 hr
Aug 20, 9:22 AM CDT	River Flood Warning	OUN	Cotton	23 hr
Aug 20, 12:47 PM CDT	River Flood Warning	OUN	Logan, Payne	13 hr

Nearby

River Flood Warnings in Oklahoma, 2007 Every river 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.