Alert archive / Minnesota / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 124, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 14, 1998, 7:17 AM CDT for Marshall County, Minnesota. It was in force for 33 min. 1 report 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 14, 1998, 7:17 AM CDT (12:17 UTC)
- Expired
- Jul 14, 1998, 7:50 AM CDT
- In force
- 33 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Marshall County, MN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 14, 7:20 AM CDT | Hail 0.75 | Holt, 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 12:00Z, 0.3 hours before the alert went out and 227 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
- 2066 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 136 m²/s²
- 0-3 km storm-relative helicity
- 172 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 141217 RRA SVRFAR MNC089-141250- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 717 AM CDT TUE JUL 14 1998 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN MARSHALL COUNTY IN NORTHWESTERN MINNESOTA * UNTIL 750 AM CDT * AT 715 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM NEAR HOLT 0R 20 MILES NORTH OF THIEF RIVER FALLS. MOVEMENT WAS TO THE NORTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... HOLT MIDDLE RIVER AGASSIZ NATIONAL WILDLIFE REFUGE REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY PRODUCE TORNADOES WITH LITTLE OR NO ADVANCED WARNING. v BRAZZELL/RIDDLE
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 14, 3:38 AM CDT, 3 hours 39 minutes earlier.
Area forecast discussion, Jul 14, 3:38 AM CDT, 3 hours 39 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 338 AM CDT TUE JUL 14 1998 FIRST PERIOD DISCUSSION...BKN LINE OF STRMS HAD FIRED UP FM SRN GRIGGS CNTY TO NRN CLAY CNTY. MOVG TO THE ENE ARND 30KT. AREA VAD WNDS SUGGEST CONVERGENCE BLO ABT 10 THSD FT AND VEERING. ADAP SHOWING AN E-W GRAD OF MXG RATIOS OVR ERN ND WITH LWR VALUES OVR ND AND NRN MN AND HI VALUES OVR ERN SD. GRIDDED DATA SHOWS HIR THETA-E AND MXG RATIOS TO MOV N AS WELL AS MSTR TRANSPORT. TIME X-SXN HAS BEST VRT MOTN ARND 18Z FOR FAR AND GFK AND SHOULD BE BEST TIME FOR CONVECTION. MOS TEMPS SEEM A LITTLE LOW CONSIDERING HIGHS WERE IN THE MID 90S OR BETTER IN ERN SD YSTRDY. THINK HIGHS WL BE ARND 90 IN BDE, ROX, TVF, HCO, DVL...LWR 90S AT GFK, CKN, FAR, DTL, FFM, PKD, VLY CITY. HOPPES
In the hours before
Local storm report, Jul 14, 4:00 AM CDT, 3 hours 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
400 AM CDT TUE JUL 14 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOC$ATION....
0310 AM PARK RAPIDS MN HUBBARD COUNTY S.O. REPORTED
HUBBARD .75 INCH HAIL
BRAZZELLLocal storm report, Jul 14, 4:00 AM CDT, 3 hours 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
400 AM CDT TUE JUL 14 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY2 LOCATION....
0310 AM PARK RAPIDS MN HUBBARD COUNTY S.O. REPORTED
HUBBARD .75 INCH HAIL IN PARK RAPIDS
BRAZZELLLocal storm report, Jul 14, 4:00 AM CDT, 3 hours 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
400 AM CDT TUE JUL 14 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOC$ATION....
0310 AM PARK RAPIDS MN HUBBARD COUNTY S.O. REPORTED
HUBBARD .75 INCH HAIL
BRAZZELLLocal storm report, Jul 14, 4:00 AM CDT, 3 hours 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
400 AM CDT TUE JUL 14 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY2 LOCATION....
0310 AM PARK RAPIDS MN HUBBARD COUNTY S.O. REPORTED
HUBBARD .75 INCH HAIL IN PARK RAPIDS
BRAZZELLThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 3:07 AM CDT | Severe Thunderstorm Warning | FGF | Hubbard | 48 min |
| Jul 14, 5:32 AM CDT | Severe Thunderstorm Warning | FGF | Pennington, Polk | 33 min |
| Jul 14, 8:09 AM CDT | Severe Thunderstorm Warning | FGF | Clay, Norman | 31 min |
| Jul 14, 8:19 AM CDT | Severe Thunderstorm Warning | FGF | Roseau | 31 min |
| Jul 14, 11:18 AM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 32 min |
| Jul 14, 11:21 AM CDT | Severe Thunderstorm Warning | FGF | Clearwater, Polk | 34 min |
| Jul 14, 12:58 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Hubbard | 32 min |
| Jul 14, 1:14 PM CDT | Severe Thunderstorm Warning | FGF | Wilkin | 31 min |
| Jul 14, 1:46 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail, Wilkin | 34 min |
| Jul 14, 2:16 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 34 min |
| Jul 14, 2:36 PM CDT | Tornado Warning | FGF | Otter Tail | 34 min |
| Jul 14, 3:07 PM CDT | Flash Flood Warning | FGF | Otter Tail | 118 min |
| Jul 14, 3:10 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 50 min |
| Jul 14, 4:01 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 49 min |
| Jul 14, 4:53 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 32 min |
| Jul 14, 5:02 PM CDT | Flash Flood Warning | FGF | Otter Tail | 3 hr |
| Jul 14, 5:15 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Clay | 35 min |
| Jul 14, 5:26 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 64 min |
| Jul 14, 5:30 PM CDT | Severe Thunderstorm Warning | FGF | Clearwater, Hubbard | 35 min |
| Jul 14, 5:43 PM CDT | Severe Thunderstorm Warning | FGF | Grant | 32 min |
| Jul 14, 5:46 PM CDT | Severe Thunderstorm Warning | FGF | Becker | 34 min |
| Jul 14, 6:16 PM CDT | Severe Thunderstorm Warning | FGF | Grant | 34 min |
| Jul 14, 6:22 PM CDT | Severe Thunderstorm Warning | FGF | Wilkin | 33 min |
| Jul 14, 6:47 PM CDT | Severe Thunderstorm Warning | FGF | Grant | 43 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1998Every severe thunderstorm warning in 1998
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.