Alert archive / Minnesota / Flash Flood Warnings in 2005

Flash Flood Warning 21, NWS Grand Forks, ND

June 26, 2005Becker County, Minnesota

NWS Grand Forks, ND issued this flash flood warning at Jun 26, 2005, 2:56 PM CDT for Becker County, Minnesota. It was in force for 16 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
Jun 26, 2005, 2:56 PM CDT (19:56 UTC)
Expired
Jun 27, 2005, 7:00 AM CDT
In force
16 hr
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

County Becker County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 150 km from the middle of the area, began a volume at 19:58 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.

What was reported inside it

TimeReportWhereRemark
Jun 26, 3:00 PM CDTFLASH FLOODDetroit Lakes, MNSTREET FLOODING IN TOWN. OVER 1 INCH OF RAIN IN LESS THAN 30 MINUTES.

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

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 7.9 hours before the alert went out and 253 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, International Fa, MN at 12:00Z on 2005-06-26Temperature 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, International Fa, MN at 12:00Z on 2005-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1345 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
104 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 
WGUS53 KFGF 261957
FFWFGF
MNC005-271200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
256 PM CDT SUN JUN 26 2005

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BECKER COUNTY IN NORTHWEST MINNESOTA

* UNTIL 700 AM CDT

* AT 252 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM 5
  MILES SOUTH OF MANY POINT LAKE TO 8 MILES SOUTH OF ROCHERT...OR
  ALONG A LINE EXTENDING FROM 19 MILES NORTHEAST OF DETROIT LAKES TO
  9 MILES SOUTHEAST OF DETROIT LAKES. THE STORMS PRODUCING VERY HEAVY
  RAIN WERE MOVING EAST AT 25 MPH. RAINFALL RATES OF UP TO 2 INCHES  
  PER HOUR CAN EXPECTED WITH THIS THUNDERSTORM.

* SOME LOCATIONS IN THE WARNING INCLUDE DETROIT LAKES...LAKE PARK...
  WOLF LAKE AND WHITE EARTH.

ADDITIONAL THUNDERSTORMS ARE EXPECTED TO DEVELOP LATER THIS 
AFTERNOON AND TONIGHT TO PRODUCE HEAVY RAINFALL ON ALREADY 
SATURATED SOILS. 

MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR
VEHICLE INTO WATER OF UNKNOWN DEPTH. ONE OR TWO FEET OF WATER WILL
FLOAT MOST CARS DOWNSTREAM.

LAT...LON 4674 9521 4675 9612 4712 9614 4711 9521

$$

BRAMER
2 follow-up statements
000 
WGUS73 KFGF 270020
FFSFGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
720 PM CDT SUN JUN 26 2005

MNC005-271200-
BECKER MN-
720 PM CDT SUN JUN 26 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 700 AM CDT MONDAY FOR BECKER
COUNTY...

AT 715 PM CDT...RAPID THUNDERSTORM DEVELOPMENT IS EXPECTED AGAIN 
TONIGHT WITH HEAVY RAINFALL POSSIBLE. ADDITIONAL RAINFALL AMOUNTS OF 
1 TO 2 INCHES...WITH LOCALLY HIGHER TOTALS...ARE POSSIBLE. DUE TO 
SATURATED GROUND FROM THE RAINFALL EARLIER TODAY...ANY ADDITIONAL 
PRECIPITATION SHOULD GO DIRECTLY INTO RUNOFF. THIS SHOULD RESULT IN 
RAPID RISES IN RIVERS AND STREAMS. 

THE THUNDERSTORMS SHOULD DEVELOP IN NORTHEASTERN SOUTH DAKOTA AND 
MOVE SLOWLY NORTHEASTWARD OVERNIGHT. A VERY HUMID AIRMASS WILL ALLOW 
HEAVY RAINFALL TO REDEVELOP ACROSS BECKER COUNTY.  

SOME LOCATIONS IN THE WARNING INCLUDE DETROIT LAKES...LAKE PARK...
WOLF LAKE...WHITE EARTH AND WESTBURY. 

MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR
VEHICLE INTO WATER OF UNKNOWN DEPTH. ONE OR TWO FEET OF WATER WILL
FLOAT MOST CARS DOWNSTREAM.

LAT...LON 4674 9521 4675 9612 4712 9614 4711 9521

$$
BRAMER
000 
WGUS73 KFGF 270708
FFSFGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
206 AM CDT MON JUN 27 2005

MNC005-270716-
BECKER MN-
206 AM CDT MON JUN 27 2005

...THE FLASH FLOOD WARNING FOR BECKER COUNTY IS CANCELLED...

AT 206 AM CDT...RUNOFF FROM THE 1 TO 3 INCHES OF RAIN THAT CAUSED 
STREET FLOODING EARLIER MONDAY AFTERNOON HAS ENDED. LITTLE 
ADDITIONAL RAINFALL IS NOW EXPECTED OVERNIGHT AS THE STORM ACTIVITY 
REAMSIN NORTH.  THUS THE FLASH FLOOD WARNING IS CANCELLED. 

LAT...LON 4674 9521 4675 9612 4712 9614 4711 9521

$$

RIDDLE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 1:33 PM CDTTornado WarningFGFClay, Wilkin57 min
Jun 26, 1:48 PM CDTTornado WarningFGFBecker, Otter Tail57 min
Jun 26, 2:42 PM CDTTornado WarningFGFBecker, Otter Tail63 min
Jun 26, 3:34 PM CDTTornado WarningFGFHubbard, Wadena56 min
Jun 26, 4:16 PM CDTFlash Flood WarningFGFHubbard15 hr

Nearby

Flash Flood Warnings in Minnesota, 2005Every flash flood warning in 2005

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; radar from the NEXRAD Level II archive.