Alert archive / Minnesota / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 97, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 17, 1996, 10:14 PM CDT for Norman County, Minnesota. It was in force for 31 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 17, 1996, 10:14 PM CDT (03:14 UTC)
- Expired
- Jul 17, 1996, 10:45 PM CDT
- In force
- 31 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Norman County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 69 km from the middle of the area, began a volume at 03:14 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 17, 10:14 PM CDT | Hail 0.75 | Lockhart, MN | |
| Jul 17, 10:40 PM CDT | Hail 0.75 | Lockhart, 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, 3.2 hours before the alert went out and 273 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
- 784 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 1261 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- -30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFAR 180315 SVRFAR MNC107-180345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA ND 1014 PM CDT WED JUL 17 1996 THE NATIONAL WEATHER SERVICE IN EASTERN NORTH DAKOTA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1045 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL MINNESOTA ...WESTERN NORMAN COUNTY AT 1015 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM JUST SOUTH OF ANTHONY...OR 30 MILES NORTH OF FARGO. THE STORM WAS MOVING EAST AT 10 MPH. TOWNS IN THE PATH INCLUDE ADA AND HADLER. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. JB
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 9:40 PM CDT | Severe Thunderstorm Warning | FGF | Norman | 20 min |
| Jul 17, 10:00 PM CDT | Severe Thunderstorm Warning | FGF | Norman | 15 min |
| Jul 17, 10:45 PM CDT | Severe Thunderstorm Warning | FGF | Norman | 30 min |
| Jul 17, 11:15 PM CDT | Severe Thunderstorm Warning | FGF | Norman, Polk | 30 min |
| Jul 18, 12:15 AM CDT | Severe Thunderstorm Warning | FGF | Polk | 30 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1996Every severe thunderstorm warning in 1996
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.