Alert archive / Minnesota / Flash Flood Watches in 2013

Flash Flood Watch 3, NWS Grand Forks, ND

June 22, 201318 counties in Minnesota; 17 counties in North Dakota

NWS Grand Forks, ND issued this flash flood watch at Jun 22, 2013, 4:27 AM CDT for 18 counties in Minnesota; 17 counties in North Dakota. It took effect at Jun 22, 2013, 7:00 PM CDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Jun 22, 2013, 4:27 AM CDT (09:27 UTC)
In effect from
Jun 22, 2013, 7:00 PM CDT
Expired
Jun 23, 2013, 6:48 AM CDT
In force
12 hr
Issued by
NWS Grand Forks, ND
All 35 counties

Becker County, MN, Beltrami County, MN, Clay County, MN, Clearwater County, MN, Grant County, MN, Hubbard County, MN, Kittson County, MN, Lake of the Woods County, MN, Mahnomen County, MN, Marshall County, MN, Norman County, MN, Otter Tail County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Wadena County, MN, Wilkin County, MN, Barnes County, ND, Benson County, ND, Cass County, ND, Cavalier County, ND, Eddy County, ND, Grand Forks County, ND, Griggs County, ND, Nelson County, ND, Pembina County, ND, Ramsey County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Steele County, ND, Towner County, ND, Traill County, ND, Walsh County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 32 km from the middle of the area, began a volume at 09:33 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

Aberdeen, SD (KABR), launched 00:00Z, 9.5 hours before the alert went out and 317 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, Aberdeen, SD at 00:00Z on 2013-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2013-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 square meters per square second.19395878Sfc1 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
15 J/kg
Mixed-layer CIN
-691 J/kg
Mixed-layer LCL
2268 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Grand Forks, ND wrote its last area forecast discussion before this flash flood watch went out at Jun 22, 3:59 AM CDT, 28 minutes earlier.

Area forecast discussion, Jun 22, 3:59 AM CDT, 28 minutes before
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Hazardous weather outlook, Jun 21, 7:50 PM CDT, 8 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND FORKS ND
750 PM CDT FRI JUN 21 2013

MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024-
026>030-038-039-049-052>054-221200-
WEST POLK-NORMAN-CLAY-KITTSON-ROSEAU-LAKE OF THE WOODS-
WEST MARSHALL-EAST MARSHALL-NORTH BELTRAMI-PENNINGTON-RED LAKE-
EAST POLK-NORTH CLEARWATER-SOUTH BELTRAMI-MAHNOMEN-
SOUTH CLEARWATER-HUBBARD-WEST BECKER-EAST BECKER-WILKIN-
WEST OTTER TAIL-EAST OTTER TAIL-WADENA-GRANT-TOWNER-CAVALIER-
PEMBINA-BENSON-RAMSEY-EASTERN WALSH-EDDY-NELSON-GRAND FORKS-
GRIGGS-STEELE-TRAILL-BARNES-CASS-RANSOM-SARGENT-RICHLAND-
WESTERN WALSH-
750 PM CDT FRI JUN 21 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN NORTH
DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA.

.DAY ONE...TONIGHT

THE MAIN THREAT FOR SEVERE WEATHER HAS SHIFTED SOUTH OF OUR REGION
WITH THE MAIN EMPHASIS FROM NEBRASKA INTO SOUTHERN MINNESOTA WHERE A
WARM FRONT WAS LOCATED.  THE RAIN IN WEST CENTRAL MINNESOTA WILL END
BY MIDNIGHT.  OTHERWISE THERE IS STILL A RISK OF A FEW SHOWERS OR
THUNDERSTORMS OVERNIGHT IN EASTERN NORTH DAKOTA INTO NORTHWESTERN
MINNESOTA BUT THE RISK OF SEVERE WEATHER IS QUITE LOW IT NOW
APPEARS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

ANOTHER DISTURBANCE WILL BRING A RISK OF SHOWERS AND THUNDERSTORMS
SATURDAY NIGHT...WITH THE MAIN SEVERE RISK BEING FROM SOUTH DAKOTA
INTO CENTRAL MINNESOTA...WITH THE NORTHERN EDGE NEAR A BEMIDJI TO
WAHPETON LINE.  HEAVY RAIN THREAT AS WELL FOR THE MINNESOTA LAKES
COUNTRY.  THE RAIN THREAT WILL EXIT SUNDAY AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED.

RIDDLE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 8:55 PM CDTRiver Flood WarningFGFCass63 hr

Nearby

Flash Flood Watches in Minnesota, 2013Flash Flood Watches in North Dakota, 2013Every flash flood watch in 2013

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.