Alert archive / Minnesota / High Wind Warnings in 2014

High Wind Warning 1, NWS Grand Forks, ND

July 21, 20145 counties in Minnesota; Grand Forks County, Traill County, North Dakota

NWS Grand Forks, ND issued this high wind warning at Jul 21, 2014, 11:10 PM CDT for 5 counties in Minnesota; Grand Forks County, Traill County, North Dakota. It was in force for 5 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
Jul 21, 2014, 11:10 PM CDT (04:10 UTC)
Expired
Jul 22, 2014, 4:00 AM CDT
In force
5 hr
Issued by
NWS Grand Forks, ND

Counties Mahnomen County, MN, Norman County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Grand Forks County, ND, Traill County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 65 km from the middle of the area, began a volume at 04:13 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

International Fa, MN (KINL), launched 00:00Z, 4.2 hours before the alert went out and 257 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 00:00Z on 2014-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3234 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2014-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
3234 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
1331 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.3
Supercell composite
3.2

Open this sounding in Storm Lab

The text

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

632 
WWUS73 KFGF 220410
NPWFGF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND FORKS ND
1110 PM CDT MON JUL 21 2014

MNZ001-002-013>015-022-NDZ027-030-220900-
/O.NEW.KFGF.HW.W.0001.140722T0410Z-140722T0900Z/
WEST POLK-NORMAN-PENNINGTON-RED LAKE-EAST POLK-MAHNOMEN-
GRAND FORKS-TRAILL-
INCLUDING THE CITIES OF...CROOKSTON...EAST GRAND FORKS...
HALSTAD...THIEF RIVER FALLS...RED LAKE FALLS...FOSSTON...
MAHNOMEN...GRAND FORKS...MAYVILLE
1110 PM CDT MON JUL 21 2014

...HIGH WIND WARNING IN EFFECT UNTIL 4 AM CDT TUESDAY...

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A HIGH
WIND WARNING...WHICH IS IN EFFECT UNTIL 4 AM CDT TUESDAY. 

* TIMING...STRONG NORTH WINDS HAVE DEVELOPED WEST OF THE SEVERE
  THUNDERSTORMS. A STRONG SURFACE LOW HAS DEVELOPED...AND WILL
  SLOWLY SHIFT EAST OVER THE NEXT FEW HOURS.

* WINDS...NORTH GUSTING TO 60 MPH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$
1 follow-up statement
514 
WWUS73 KFGF 220852
NPWFGF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND FORKS ND
352 AM CDT TUE JUL 22 2014

...HIGH WIND WARNING TO EXPIRE AT 4 AM CDT...

MNZ001-002-013>015-022-NDZ027-030-221000-
/O.EXP.KFGF.HW.W.0001.000000T0000Z-140722T0900Z/
WEST POLK-NORMAN-PENNINGTON-RED LAKE-EAST POLK-MAHNOMEN-
GRAND FORKS-TRAILL-
INCLUDING THE CITIES OF...CROOKSTON...EAST GRAND FORKS...
HALSTAD...THIEF RIVER FALLS...RED LAKE FALLS...FOSSTON...
MAHNOMEN...GRAND FORKS...MAYVILLE
352 AM CDT TUE JUL 22 2014

...HIGH WIND WARNING WILL EXPIRE AT 4 AM CDT EARLY THIS MORNING...

NORTHERLY WINDS HAVE WEAKENED ON THE BACKSIDE OF THE DEPARTING
SURFACE LOW. OCCASIONAL GUSTS TO NEAR 30 MPH ARE STILL POSSIBLE...
BUT DAMAGING WIND IS NO LONGER EXPECTED. 

$$

ROGERS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 7:48 PM CDTSevere Thunderstorm WarningFGFPolk57 min
Jul 21, 8:26 PM CDTFlash Flood WarningFGFPolk6 hr
Jul 21, 8:43 PM CDTSevere Thunderstorm WarningFGFClay, Norman, Polk46 min
Jul 21, 8:58 PM CDTTornado WarningFGFPennington, Polk, Red Lake47 min
Jul 21, 9:08 PM CDTTornado WarningFGFNorman, Polk33 min
Jul 21, 9:15 PM CDTSevere Thunderstorm WarningFGFBecker, Beltrami, Clay, Clearwater, Mahnomen, Marshall and 4 more60 min
Jul 21, 10:01 PM CDTSevere Thunderstorm WarningFGFBecker, Beltrami, Clearwater, Hubbard, Lake of the Woods, Mahnomen and 3 more59 min
Jul 21, 10:14 PM CDTSpecial Weather StatementFGFGrant46 min
Jul 21, 10:32 PM CDTFlash Flood WarningFGFMarshall, Pennington, Polk, Red Lake8 hr
Jul 21, 11:01 PM CDTSpecial Weather StatementFGFWadena29 min
Jul 22, 12:08 AM CDTAreal Flood AdvisoryFGFBeltrami, Lake of the Woods, Roseau7 hr
Jul 22, 6:28 AM CDTRiver Flood WarningFGFMarshall42 hr
Jul 22, 6:28 AM CDTRiver Flood WarningFGFMarshall3 days
Jul 21, 7:03 PM CDTSevere Thunderstorm WarningFGFGrand Forks27 min
Jul 21, 7:26 PM CDTSevere Thunderstorm WarningFGFBarnes, Eddy, Griggs, Nelson, Steele64 min
Jul 21, 7:30 PM CDTSevere Thunderstorm WarningFGFGrand Forks60 min
Jul 21, 7:38 PM CDTTornado WarningFGFEddy, Griggs, Nelson, Steele37 min
Jul 21, 8:09 PM CDTSevere Thunderstorm WarningFGFBarnes, Cass, Grand Forks, Griggs, Nelson, Steele and 2 more66 min
Jul 21, 8:29 PM CDTTornado WarningFGFGrand Forks46 min

Nearby

High Wind Warnings in Minnesota, 2014High Wind Warnings in North Dakota, 2014Every high wind warning in 2014

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.