Alert archive / North Dakota / Flash Flood Warnings in 2007

Flash Flood Warning 8, NWS Grand Forks, ND

June 17, 2007Barnes County, Griggs County, Steele County, North Dakota

NWS Grand Forks, ND issued this flash flood warning at Jun 17, 2007, 10:14 PM CDT for Barnes County, Griggs County, Steele County, North Dakota. It took effect at Jun 17, 2007, 10:22 PM CDT. It was in force for 9 hr. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 17, 2007, 10:14 PM CDT (03:14 UTC)
In effect from: Jun 17, 2007, 10:22 PM CDT
Expired: Jun 18, 2007, 7:00 AM CDT
In force: 9 hr
Issued by: NWS Grand Forks, ND
Area: Whole counties

Counties Barnes County, ND, Griggs County, ND, Steele County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 58 km from the middle of the area, began a volume at 03:14 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

Time	Report	Where	Remark
Jun 18, 1:00 AM CDT	FLASH FLOOD	4 Wnw Dazey, ND	DITCHES AND FIELDS FLOODED. WATER FLOWING ACROSS COUNTY ROAD...105TH AVE SE...JUST NORTH OF STATE HWY 26.
Jun 18, 1:15 AM CDT	FLASH FLOOD	4 W Hannaford, ND	SEVERAL HUNDRED ACRES OF FIELDS FLOODED AND FARM ACCESS ROAD FLOODED.
Jun 18, 1:24 AM CDT	FLASH FLOOD	4 Sse Finley, ND	SHERIFF REPORTS TOWNSHIP BRIDGE UNDER WATER. ALSO WATER FLOWING OVER STATE HWY 32...ABOUT 4 MILES SOUTH OF FINLEY. LOCAL RAIN GAUGES MEASURED 2 TO 3 INCHES OF RAIN IN PAST 8 HOURS TO SOUTH AND SOUTHWEST OF FINLEY IN GREENVIEW AND EASTIN TOWNSHIPS.

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, 3.2 hours before the alert went out and 212 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: 2169 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 1314 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: -49 m²/s²
0-3 km storm-relative helicity: 77 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 5.3

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KFGF 180322
FFWFGF
NDC003-039-091-181200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1014 PM CDT SUN JUN 17 2007

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BARNES COUNTY IN SOUTHEAST NORTH DAKOTA...
  THIS INCLUDES THE CITY OF VALLEY CITY...
  GRIGGS COUNTY IN SOUTHEAST NORTH DAKOTA...
  WESTERN STEELE COUNTY IN SOUTHEAST NORTH DAKOTA...

* UNTIL 700 AM CDT MONDAY

* AT 1010 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  HEAVY RAIN HAS FALLEN IN THE DAZEY...HANNAFORD AND COOPERSTOWN
  AREAS. MORE HEAVY RAINFALL IS EXPECTED TO MOVE INTO THE WARNED
  AREA FROM STUTSMAN COUNTY. SOILS REMAIN SATURATED FROM PROLONGED
  PERIODS OF RAINFALL AND DITCHES AND RAVINES WILL QUICKLY FILL.
  LOW LYING PARTS OF URBAN STREETS AND RURAL ROADWAYS MAY ALSO BE
  COVERED SO PERSONS SHOULD EXERCISE CAUTION AND AVOID FLOODED
  AREAS.

* SOME LOCATIONS IN THE WARNING INCLUDE VALLEY CITY...FINLEY...
  COOPERSTOWN AND WALUM.

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

LAT...LON 4675 9839 4677 9773 4764 9774 4763 9843

$$

HOPKINS

1 follow-up statement

000 
WGUS73 KFGF 180653
FFSFGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
153 AM CDT MON JUN 18 2007

NDC003-039-091-181200-
GRIGGS ND-STEELE ND-BARNES ND-
153 AM CDT MON JUN 18 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 AM CDT FOR 
BARNES...WESTERN STEELE AND GRIGGS COUNTIES...

AT 137 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS HAD PRODUCED HEAVY RAIN. THE HEAVY RAIN FELL ALONG A 
LINE FROM 6 MILES EAST OF COOPERSTOWN TO 4 MILES SOUTHEAST OF 
WIMBLEDON. GRIGGS COUNTY SHERIFF REPORTED WATER FLOWING OVER HIGHWAY 
32 AND A BRIDGE UNDER WATER SOUTH OF FINLEY AT 124 AM CDT. ALSO SOME 
RAIN GAGES REPORTED 2 TO 3 INCHES OF RAIN SOUTH AND SOUTHWEST OF 
FINLEY IN GREENVIEW AND EASTIN TOWNSHIPS. 

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM CDT MONDAY
MORNING FOR NORTHWESTERN MINNESOTA.

LAT...LON 4675 9843 4677 9773 4738 9773 4757 9806
      4732 9846

$$

HOPPES

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 8:00 PM CDT	Severe Thunderstorm Warning	FGF	Ramsey	45 min
Jun 17, 9:25 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Griggs	46 min
Jun 17, 9:31 PM CDT	Severe Thunderstorm Warning	FGF	Nelson, Walsh	59 min
Jun 17, 9:35 PM CDT	Tornado Warning	FGF	Nelson, Walsh	43 min
Jun 17, 9:55 PM CDT	Severe Thunderstorm Warning	FGF	Benson	65 min
Jun 17, 10:06 PM CDT	Tornado Warning	FGF	Benson	35 min
Jun 17, 10:13 PM CDT	Severe Thunderstorm Warning	FGF	Steele	40 min
Jun 17, 10:28 PM CDT	Severe Thunderstorm Warning	FGF	Ramsey	40 min
Jun 17, 11:28 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Richland	62 min
Jun 18, 5:00 AM CDT	Wind Advisory	FGF	Barnes, Benson, Cass, Cavalier, Eddy, Grand Forks and 11 more	16 hr

Nearby

Flash Flood Warnings in North Dakota, 2007 Every flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.