Alert archive / Oklahoma / Flash Flood Warnings in 2010

Flash Flood Warning 3, NWS Norman, OK

June 14, 2010Lincoln County, Logan County, Oklahoma County, Oklahoma

NWS Norman, OK issued this flash flood warning at Jun 14, 2010, 6:12 AM CDT for Lincoln County, Logan County, Oklahoma 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 counties it named.

The facts

Issued: Jun 14, 2010, 6:12 AM CDT (11:12 UTC)
Expired: Jun 14, 2010, 9:00 AM CDT
In force: 3 hr
Issued by: NWS Norman, OK
Area: Storm-based polygon
Flood severity: None

Counties Lincoln County, OK, Logan County, OK, Oklahoma County, OK

The radar

The Norman radar (KTLX), 44 km from the middle of the area, began a volume at 11:12 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

Lamont, OK (KLMN), launched 00:00Z, 11.2 hours before the alert went out and 102 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: 2227 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 1369 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: 153 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 7.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Norman, OK wrote its last area forecast discussion before this flash flood warning went out at Jun 14, 3:35 AM CDT, 2 hours 37 minutes earlier.

Area forecast discussion, Jun 14, 3:35 AM CDT, 2 hours 37 minutes before

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Hazardous weather outlook, Jun 14, 5:00 AM CDT, 1 hour 12 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORMAN OK
500 AM CDT MON JUN 14 2010

OKZ004>048-050>052-TXZ083>090-141700-
HARPER-WOODS-ALFALFA-GRANT-KAY-ELLIS-WOODWARD-MAJOR-GARFIELD-NOBLE-
ROGER MILLS-DEWEY-CUSTER-BLAINE-KINGFISHER-LOGAN-PAYNE-BECKHAM-
WASHITA-CADDO-CANADIAN-OKLAHOMA-LINCOLN-GRADY-MCCLAIN-CLEVELAND-
POTTAWATOMIE-SEMINOLE-HUGHES-HARMON-GREER-KIOWA-JACKSON-TILLMAN-
COMANCHE-STEPHENS-GARVIN-MURRAY-PONTOTOC-COAL-COTTON-JEFFERSON-
CARTER-JOHNSTON-ATOKA-LOVE-MARSHALL-BRYAN-HARDEMAN-FOARD-WILBARGER-
WICHITA-KNOX-BAYLOR-ARCHER-CLAY-
500 AM CDT MON JUN 14 2010

THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN...WESTERN...
CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS.

.DAY ONE...TODAY AND TONIGHT...

THUNDERSTORM OUTLOOK...
THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH TONIGHT
ACROSS MUCH OF OKLAHOMA AND WESTERN NORTH TEXAS. HEAVY RAINFALL
AND LOCAL FLOODING WILL ALSO BE A CONCERN.

LOCATION...
THE SLIGHT RISK IS ALONG AND SOUTHEAST OF A LINE FROM ARNETT TO ALVA.

TIMING...
THE MOST LIKELY TIME FOR SEVERE THUNDERSTORMS WILL BE FROM THIS
AFTERNOON THROUGH THE OVERNIGHT HOURS.

RECOMMENDED ACTIONS...
STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL ACROSS THE
RISK AREA SHOULD PLAN FOR THE POTENTIAL OF SEVERE WEATHER OPERATIONS.

DISCUSSION...
SCATTERED TO NUMEROUS THUNDERSTORMS CONTINUED EARLY THIS
MORNING...MAINLY OVER PARTS OF CENTRAL AND NORTHERN OKLAHOMA. THESE
STORMS ARE EXPECTED TO DIMINISH DURING THE MORNING HOURS. AN OUTFLOW
BOUNDARY FROM THESE STORMS IS EXPECTED TO LIE FROM SOUTHWEST INTO
CENTRAL OKLAHOMA THIS AFTERNOON. STRONG TO SEVERE STORMS ARE
EXPECTED TO DEVELOP THIS AFTERNOON NEAR THE BOUNDARY IN A MODERATELY
UNSTABLE ENVIRONMENT. THE STRONGER STORMS WILL BE CAPABLE OF
PRODUCING HAIL LARGER THAN GOLFBALLS AND WINDS IN EXCESS OF 65 MPH.
THE STORMS WILL LIKELY ORGANIZE INTO ONE OR MORE COMPLEXES DURING
THE EVENING HOURS AND WILL SPREAD EAST OVERNIGHT. AS A RESULT THE
THREAT FOR HEAVY RAINFALL AND FLOODING WILL INCREASE.

PROBABILITY TABLE...
VALID THROUGH 700 AM CDT TUESDAY JUN 15.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
              NWS NORMAN COUNTY WARNING AREA...100 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...60 PERCENT.

OTHER HAZARDOUS WEATHER...
HEAT INDEX VALUES OF 95 TO 105 ARE EXPECTED ACROSS MUCH OF SOUTHERN
OKLAHOMA AND WESTERN NORTH TEXAS THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...

THUNDERSTORM OUTLOOK...
THUNDERSTORMS WILL LIKELY BE ONGOING EARLY TUESDAY MORNING
ESPECIALLY FROM SOUTHWEST INTO CENTRAL OKLAHOMA WITH THE RISK OF
FLOODING RAINS CONTINUING. STORMS WILL LIKELY WEAKEN OR DISSIPATE
DURING THE MORNING HOURS BUT SCATTERED STORMS MAY REFORM DURING THE
AFTERNOON. A SLIGHT CHANCE FOR THUNDERSTORMS WILL CONTINUE INTO
WEDNESDAY WITH DRY WEATHER THEN EXPECTED FROM THURSDAY THROUGH THE
WEEKEND.

OTHER HAZARDOUS WEATHER...
NONE.

THE NEXT SCHEDULED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED BY NOON
TODAY.

II

In the hours before

Special weather statement, Jun 14, 1:13 AM CDT, 4 hours 59 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
113 AM CDT MON JUN 14 2010

OKZ033-034-036-TXZ083-085-140645-
JACKSON OK-GREER OK-HARMON OK-HARDEMAN TX-WILBARGER TX-
113 AM CDT MON JUN 14 2010

...SIGNIFICANT WEATHER ADVISORY...

THIS SIGNIFICANT WEATHER ADVISORY IS FOR GREER...HARDEMAN...HARMON...
JACKSON AND WILBARGER COUNTIES.

AT 112 AM CDT...AN AREA OF STRONG THUNDERSTORMS WAS LOCATED FROM 7
MILES WEST OF HOLLIS TO 41 MILES WEST OF GOODLETT OR 15 MILES NORTH
OF NORTHFIELD...MOVING EAST NORTHEAST AT 30 MPH.

HAZARDS INCLUDE...
WIND GUSTS OF 40 TO 50 MPH...
MINOR FLOODING IN AREAS OF POOR DRAINAGE...

LAT...LON 3426 10000 3433 10001 3447 10001 3448 10000
      3493 10000 3509 9943 3424 9947 3424 10001
      3426 10001

Special weather statement, Jun 14, 1:25 AM CDT, 4 hours 47 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
125 AM CDT MON JUN 14 2010

OKZ009-140645-
ELLIS OK-
125 AM CDT MON JUN 14 2010

...SIGNIFICANT WEATHER ADVISORY...

THIS SIGNIFICANT WEATHER ADVISORY IS FOR ELLIS COUNTY.

AT 125 AM CDT...A STRONG THUNDERSTORM WAS LOCATED 11 MILES WEST OF
SHATTUCK...MOVING NORTHEAST AT 40 MPH.

HAZARDS INCLUDE...
WIND GUSTS TO 40 MPH...

LAT...LON 3659 9960 3631 9960 3620 9999 3652 9999

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 7:46 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Grant	59 min
Jun 13, 8:06 PM CDT	Tornado Warning	OUN	Grant	24 min
Jun 13, 11:27 PM CDT	Severe Thunderstorm Warning	OUN	Harmon, Jackson	26 min
Jun 13, 11:50 PM CDT	Areal Flood Advisory	OUN	Alfalfa, Ellis, Grant, Harper, Woods, Woodward	3 hr
Jun 14, 12:50 AM CDT	Areal Flood Advisory	OUN	Grant, Kay	6 hr
Jun 14, 2:15 AM CDT	River Flood Warning	OUN	Grant, Kay	48 hr
Jun 14, 2:37 AM CDT	Areal Flood Advisory	OUN	Alfalfa, Grant, Major, Woods	4 hr
Jun 14, 3:14 AM CDT	Areal Flood Advisory	OUN	Garfield, Noble	4 hr
Jun 14, 3:24 AM CDT	River Flood Warning	OUN	Grant, Kay, Noble	53 hr
Jun 14, 5:11 AM CDT	Areal Flood Advisory	OUN	Lincoln, Logan, Oklahoma, Payne	3 hr
Jun 14, 8:08 AM CDT	Flash Flood Warning	OUN	Canadian, Cleveland, Oklahoma	4 hr
Jun 14, 8:19 AM CDT	Areal Flood Advisory	OUN	Payne	3 hr
Jun 14, 8:26 AM CDT	River Flood Warning	OUN	Major, Woods, Woodward	12 hr
Jun 14, 8:29 AM CDT	River Flood Warning	OUN	Oklahoma	29 hr
Jun 14, 8:29 AM CDT	River Flood Warning	OUN	Lincoln, Oklahoma, Pottawatomie	48 hr
Jun 14, 8:58 AM CDT	Flash Flood Warning	OUN	Lincoln, Logan	3 hr
Jun 14, 10:08 AM CDT	Flash Flood Warning	OUN	Logan, Noble, Payne	3 hr
Jun 14, 11:19 AM CDT	Areal Flood Advisory	OUN	Grady	3 hr
Jun 14, 11:54 AM CDT	Areal Flood Warning	OUN	Canadian, Cleveland, Lincoln, Logan, McClain, Noble and 3 more	6 hr
Jun 14, 12:57 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Jackson, Kiowa	31 min
Jun 14, 2:11 PM CDT	River Flood Warning	OUN	Logan	30 hr
Jun 14, 2:11 PM CDT	River Flood Warning	OUN	Logan	36 hr
Jun 14, 2:22 PM CDT	Flash Flood Warning	OUN	Caddo, Comanche, Grady, Kiowa, Stephens	4 hr
Jun 14, 2:41 PM CDT	Severe Thunderstorm Warning	OUN	Jackson, Tillman	49 min
Jun 14, 2:52 PM CDT	Flash Flood Warning	OUN	Cleveland, Garvin, Grady, McClain, Pottawatomie, Stephens	3 hr
Jun 14, 4:03 PM CDT	Flash Flood Warning	OUN	Garvin, McClain, Pontotoc, Pottawatomie, Seminole	3 hr
Jun 14, 4:15 PM CDT	Severe Thunderstorm Warning	OUN	Hughes, McClain, Pontotoc, Pottawatomie, Seminole	60 min
Jun 14, 4:46 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Coal, Hughes, Johnston, Murray, Pontotoc	59 min
Jun 14, 5:40 PM CDT	Severe Thunderstorm Warning	OUN	Atoka, Coal, Hughes, Johnston, Pontotoc	46 min
Jun 14, 6:16 PM CDT	Areal Flood Advisory	OUN	Comanche, Grady, Kiowa, Stephens	8 hr
Jun 14, 6:27 PM CDT	Areal Flood Advisory	OUN	Cleveland, Garvin, Hughes, McClain, Murray, Pontotoc and 3 more	8 hr
Jun 14, 6:30 PM CDT	River Flood Warning	OUN	Pottawatomie, Seminole	32 hr
Jun 14, 2:05 PM CDT	Severe Thunderstorm Warning	OUN	Hardeman, Wilbarger	40 min
Jun 14, 3:06 PM CDT	Severe Thunderstorm Warning	OUN	Foard, Hardeman, Wilbarger	39 min

Nearby

Flash Flood Warnings in Oklahoma, 2010 Every flash flood warning in 2010

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.