Alert archive / Minnesota / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 87, NWS Grand Forks, ND

June 22, 2002Hubbard County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 22, 2002, 3:11 PM CDT for Hubbard County, Minnesota. It was in force for 34 min. 2 reports 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 22, 2002, 3:11 PM CDT (20:11 UTC)
Expired
Jun 22, 2002, 3:45 PM CDT
In force
34 min
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

County Hubbard County, MN

What was reported inside it

TimeReportWhereRemark
Jun 22, 3:20 PM CDTHail 1Nary, MN
Jun 22, 3:37 PM CDTHail 0.75Farris, MN

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 8.2 hours before the alert went out and 186 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 2002-06-22Temperature 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 2002-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 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
962 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
160 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KFGF 222011
SVRFAR
MNC057-222045-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
311 PM CDT SAT JUN 22 2002

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

  NORTHERN HUBBARD COUNTY IN NORTH CENTRAL MINNESOTA.

* UNTIL 345 PM CDT.

* AT 309 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES EAST OF BECIDA...OR ABOUT 8 MILES
  SOUTHWEST OF BEMIDJI...MOVEMENT WAS TO THE EAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...

  NARY AT 315 PM AND
  GUTHRIE AT 320 PM.

REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

LAT...LON 4739 9513 4722 9513 4722 9472 4740 9472


04

NNNN

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jun 22, 10:30 AM CDT, 4 hours 41 minutes earlier.

Area forecast discussion, Jun 22, 10:30 AM CDT, 4 hours 41 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1030 AM CDT SAT JUN 22 2002

SPLIT FLOW WAS ACROSS NORTH AMERICA. A SHORT WAVE WAS OVER EASTERN
SASKATCHEWAN WILL MOVE EAST AND DIG. SOME DARKENING NOTED OVER
SASKATCHEWAN. UPPER LEVEL RIDGE WAS OVER THE NORTHERN PLAINS WITH
SHORT WAVE MOVING THROUGH THE FLOW. WATER VAPOR LOOP SHOWS SHORT
WAVE OVER EASTERN MT/WESTERN ND WITH MCS OVER NORTHERN ND AND
NORTHWEST MN. LOW LEVEL JET EXTENDS FROM ND TO THE TX PANHANDLE. 88D
VAD WIND HAS GOOD INFLOW WITH 35 TO 40 KTS AT LOW LEVELS. LOW LEVEL
JET FORECAST TO SHIFT OVER NORTHEAST MN TODAY. KBIS AND KMBX HAS LOW
LEVEL NORTHERLY VAD WINDS BELOW 4 THOUSAND AND 7 THOUSAND FEET
RESPECTIVELY. PRECIPITABLE WATER TO REMAIN AROUND 1.75 TO 2.00
INCHES. CONVERGENT FLOW ALSO NOTED AT 850 AND 700 MB. MESOSCALE
ANALYSIS SHOWS SURFACE CONVERGENT AXIS AND SURFACE MOISTURE FLUX
CONVERGENCE FROM NEAR BISMARCK TO BAUDETTE. BEST PRESSURE FALLS
EXTENDED FROM BAUDETTE TO WAHPETON AND WAS SHIFTING EAST. SURFACE
DEWPOINTS CONTINUE TO RISE THIS MORNINGE WITH UPPER 60S IN THE SOUTH
HALF OF THE FORECAST AREA AND THE LOWER 60S IN THE NORTH. EXPECT
STORM COMPLEX TO SHIFT EAST TODAY. WILL CHECK ZONES.

.FGF...FLOOD WATCH ENTIRE FA THROUGH SUNDAY.
HOPPES

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 8:25 AM CDTSevere Thunderstorm WarningFGFKittson, Marshall50 min
Jun 22, 11:21 AM CDTSevere Thunderstorm WarningFGFNorman39 min
Jun 22, 12:58 PM CDTFlash Flood WarningFGFLake of the Woods8 hr
Jun 22, 2:40 PM CDTFlash Flood WarningFGFClearwater6 hr
Jun 22, 2:43 PM CDTFlash Flood WarningFGFClearwater6 hr
Jun 22, 3:01 PM CDTSevere Thunderstorm WarningFGFBeltrami, Clearwater44 min
Jun 22, 3:18 PM CDTTornado WarningFGFHubbard27 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2002Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.