Alert archive / North Dakota / Flash Flood Warnings in 2006

Flash Flood Warning 2, NWS Grand Forks, ND

May 27, 2006Towner County, North Dakota

NWS Grand Forks, ND issued this flash flood warning at May 27, 2006, 7:51 PM CDT for Towner County, North Dakota. It was in force for 12 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 27, 2006, 7:51 PM CDT (00:51 UTC)
Expired
May 28, 2006, 7:45 AM CDT
In force
12 hr
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

County Towner County, ND

What was reported inside it

TimeReportWhereRemark
May 27, 8:00 PM CDTFLASH FLOOD6 S Bisbee, NDWATER OVER ROADS.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 0.9 hours before the alert went out and 229 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, Bismarck Municip, ND at 00:00Z on 2006-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2583 joules per kilogram.LCLEL10008507005003002001001 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, Bismarck Municip, ND at 00:00Z on 2006-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
2583 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
2251 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KFGF 280054
FFWFGF
NDC095-281245-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
751 PM CDT SAT MAY 27 2006

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL TOWNER COUNTY IN NORTHEAST NORTH DAKOTA

* UNTIL 745 AM CDT SUNDAY

* AT 746 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM 2
  MILES NORTHWEST OF ARNDT TO 11 MILES SOUTHWEST OF CONSIDINE...OR
  ALONG A LINE EXTENDING FROM 41 MILES WEST OF LANGDON TO 37 MILES
  NORTHWEST OF DEVILS LAKE. THE STORMS PRODUCING VERY HEAVY RAIN WERE
  NEARLY STATIONARY. RADAR ESTIMATED RAINFALL AMOUNTS IN EXCESS OF 
  3 INCHES WERE INDICATED AND SIGNIFICANT ADDITIONAL PRECIPITATION   
  IS EXPECTED OVER THE AREA THROUGH THE EVENING.

* SOME LOCATIONS IN THE WARNING INCLUDE CONSIDINE...BISBEE AND ARNDT.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN THE DANGERS OF FLASH FLOODING
ARE HARD TO RECOGNIZE.

LAT...LON 4868 9949 4839 9948 4857 9913 4877 9915

$$

KENNEDY
1 follow-up statement
000 
WGUS73 KFGF 280902
FFSFGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
400 AM CDT SUN MAY 28 2006

NDC095-280910-
TOWNER ND-
400 AM CDT SUN MAY 28 2006

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR CENTRAL TOWNER
COUNTY...

AT 400 AM CDT...HEAVY RAINS ENDED ACROSS CENTRAL TOWER COUNTY AROUND 
MIDNIGHT. ADDITIONAL RAIN IS NOT EXPECTED THIS MORNING AND RUNOFF 
FROM LAST NIGHTS THUNDERSTORMS HAS ENDED. FLOOD WATERS HAVE RECEDED AND 
FLOODING IS NO LONGER A THREAT. SO THE WARNING HAS BEEN CANCELLED.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION OR
CABLE TELEVISION FOR ADDITIONAL INFORMATION.

LAT...LON 4868 9949 4839 9948 4857 9913 4877 9915

$$

DTR

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 27, 7:13 PM CDTSevere Thunderstorm WarningFGFTowner62 min
May 27, 8:12 PM CDTTornado WarningFGFTowner63 min
May 27, 9:15 PM CDTSevere Thunderstorm WarningFGFTowner60 min
May 27, 9:17 PM CDTSevere Thunderstorm WarningFGFBenson43 min

Nearby

Flash Flood Warnings in North Dakota, 2006Every flash flood warning in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.