Alert archive / Minnesota / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 133, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 7, 2000, 1:19 PM CDT for Polk County, Minnesota. It was in force for 46 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
- Jul 7, 2000, 1:19 PM CDT (18:19 UTC)
- Expired
- Jul 7, 2000, 2:05 PM CDT
- In force
- 46 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Polk County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 86 km from the middle of the area, began a volume at 18:21 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 |
|---|---|---|---|
| Jul 7, 1:30 PM CDT | Hail 1 | Fertile, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 7, 12:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
International Fa, MN (KINL), launched 12:00Z, 6.3 hours before the alert went out and 238 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 911 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 172 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KFGF 071819 SVRFAR MNC119-071904- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 119 PM CDT FRI JUL 7 2000 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN POLK COUNTY IN NORTHWEST MINNESOTA * UNTIL 205 PM CDT * AT 116 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 4 MILES EAST OF GREENVIEW...OR ABOUT 34 MILES SOUTHEAST OF GRAND FORKS...MOVEMENT WAS TO THE EAST AT 50 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... MELVIN AT 120 PM CDT... DUGDALE AT 125 PM CDT... MAPLE BAY AT 130 PM CDT... MENTOR AT 135 PM CDT... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. THIS STORM HAS A HISTORY OF PRODUCING QUARTER SIZE HAIL. A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CDT FRIDAY EVENING FOR vNORTHWESTERN MINNESOTA AND SOUTHEAST NORTH DAKOTA. LAT...LON 4773 9660 4753 9660 4752 9558 4772 9561 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 Jul 7, 10:30 AM CDT, 2 hours 49 minutes earlier.
Area forecast discussion, Jul 7, 10:30 AM CDT, 2 hours 49 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1030 AM CDT FRI JUL 7 2000 -14C TEMP REPORTED AT 500 HPA ACRS SRN MAN WHICH IS COOLER THAN MODELS HAVE FCST. SAME AT 700 AND 850 HPA. COOLER AIR THAN XPCD IS CREATING TSRA ACRS CWFA. 88D HAS TSRA OVR GFK COUNTY AND BELTRAMI MOVG E. WL KEEP CHC TSRA FOR TDY. WL CHECK ZONES. .FGF...NONE. HOPPES
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 2:49 AM CDT | Severe Thunderstorm Warning | FGF | Clay | 31 min |
| Jul 7, 10:26 AM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 29 min |
| Jul 7, 11:06 AM CDT | Severe Thunderstorm Warning | FGF | Polk | 29 min |
| Jul 7, 11:35 AM CDT | Severe Thunderstorm Warning | FGF | Pennington, Red Lake | 45 min |
| Jul 7, 12:19 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Clearwater, Pennington | 31 min |
| Jul 7, 12:30 PM CDT | Flash Flood Warning | FGF | Pennington, Polk, Red Lake | 4 hr |
| Jul 7, 12:51 PM CDT | Severe Thunderstorm Warning | FGF | Polk | 29 min |
| Jul 7, 5:23 PM CDT | Severe Thunderstorm Warning | FGF | Wilkin | 32 min |
| Jul 7, 5:32 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 43 min |
| Jul 7, 6:10 PM CDT | Severe Thunderstorm Warning | FGF | Grant | 30 min |
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.