Alert archive / Minnesota / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 20, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at May 22, 2000, 8:57 PM CDT for Kittson County, Minnesota. It was in force for 28 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- May 22, 2000, 8:57 PM CDT (01:57 UTC)
- Expired
- May 22, 2000, 9:25 PM CDT
- In force
- 28 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Kittson County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 167 km from the middle of the area, began a volume at 01:57 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 |
|---|---|---|---|
| May 22, 9:15 PM CDT | Hail 0.88 | Lancaster, 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.
The nearest sounding before it
International Fa, MN (KINL), launched 00:00Z, 2.0 hours before the alert went out and 261 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.
- Mixed-layer CAPE
- 2 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 2066 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
430 WUUS53 KFGF 230157 SVRFAR MNC069-230225- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 857 PM CDT MON MAY 22 2000 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... KITTSON COUNTY IN NORTHWEST MINNESOTA * UNTIL 925 PM CDT * AT 852 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 8 MILES NORTHEAST OF ORLEANS...OR ABOUT 49 MILES NORTHEAST OF GRAFTON...MOVING SOUTH AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... LANCASTER AT 920 PM CDT REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4884 9704 4883 9652 4914 9637 4931 9708 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 May 22, 6:40 PM CDT, 2 hours 17 minutes earlier.
Area forecast discussion, May 22, 6:40 PM CDT, 2 hours 17 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 640 PM CDT MON MAY 22 2000 ...FORECAST UPDATE CONCERNS THREAT OF STRONG/SEVERE STORMS IN NORTHEAST NORTH DAKOTA THIS EVENING... .CURRENT ANALYSIS... A CLUSTER OF STRONG/SEVERE STORMS HAS DEVELOPED SOUTH OF BRANDON MANITOBA...NORTHWEST OF PILOT MOUND. THE STORMS SEEM COINCIDENT WITH A MID LVL VORT MAX AS EVIDENCED WITH YIN-YANG ORIENTATION APPARENT ON VIS SAT IMAGERY AND 88D IMAGERY. ELEVATED REFLECTIVITIES INDICATED ABF 50DBZ ABV 33KFT WITH STORM WEST OF PILOT MOUND AROUND 2330Z. WINNIPEG OFFICE REPORTS POSSIBLE FUNNEL AS WELL. .SHORT TERM... RUC/LAPS INDICATE AREA OF UNSTABLE AIR WITH CAPES AND LIS LIKELY OVERDONE. HOWEVER LIS OF MINUS 3 OR GREATER LOOK GOOD AND LOCALIZED STRONG TO SEVERE ACTIVITY SHOULD PUSH ACROSS NORTHEAST ND FROM TOWNER COUNTY INTO GRAND FORKS COUNTY FROM 7 PM TO 10 PM. .FGF...NONE GUST
Nearby
Severe Thunderstorm Warnings in Minnesota, 2000Every severe thunderstorm warning in 2000
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; radar from the NEXRAD Level II archive.