Alert archive / Minnesota / Flash Flood Warnings in 1998
Flash Flood Warning 7, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Aug 19, 1998, 5:42 PM CDT for Pope County, Stevens County, Minnesota. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 19, 1998, 5:42 PM CDT (22:42 UTC)
- Expired
- Aug 19, 1998, 8:00 PM CDT
- In force
- 2 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Pope County, MN, Stevens County, MN
The radar
The Minneapolis radar (KMPX), 188 km from the middle of the area, began a volume at 22:29 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.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.7 hours before the alert went out and 185 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
- 585 J/kg
- Mixed-layer CIN
- -256 J/kg
- Mixed-layer LCL
- 475 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 265 m²/s²
- 0-3 km storm-relative helicity
- 317 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMSP 192243 FFWMSP MNC121-149-200100- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 542 PM CDT WED AUG 19 1998 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES/CHANHASSEN HAS ISSUED A * FLASH FLOOD WARNING FOR... POPE COUNTY IN WEST CENTRAL MINNESOTA SOUTHERN STEVENS COUNTY IN WEST CENTRAL MINNESOTA * UNTIL 800 PM CDT * AT 540 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS WITH VERY HEAVY RAIN FROM AROUND GLENWOOD TO HANCOCK...OR FROM 15 MILES SOUTH OF ALEXANDRIA TO 35 MILES SOUTHWEST OF ALEXANDRIA...MOVING EAST AT 25 MPH. * STORMS WILL CONTINUE TO TRACK OVER THE SAME AREA RESULTING IN VERY HBEAVY RAINFALL...ESPECIALLY FROM HANCOCK EASTWARD THROUGH GLACIAL LAKE STATE PARK. DON'T DRIVE ACROSS FLOODED ROADS! MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. JUSKIE
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 3:10 PM CDT | Severe Thunderstorm Warning | MPX | Douglas | 35 min |
| Aug 19, 3:44 PM CDT | Severe Thunderstorm Warning | MPX | Douglas, Pope | 61 min |
| Aug 19, 4:00 PM CDT | Severe Thunderstorm Warning | MPX | Todd | 50 min |
| Aug 19, 4:08 PM CDT | Severe Thunderstorm Warning | MPX | Morrison | 47 min |
| Aug 19, 5:34 PM CDT | Tornado Warning | MPX | Morrison | 31 min |
| Aug 19, 5:58 PM CDT | Tornado Warning | MPX | Stearns | 32 min |
| Aug 19, 6:30 PM CDT | Severe Thunderstorm Warning | MPX | Stearns | 65 min |
| Aug 19, 6:44 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Lac qui Parle, Swift | 61 min |
| Aug 19, 6:55 PM CDT | Flash Flood Warning | MPX | Swift | 3 hr |
| Aug 19, 6:58 PM CDT | Tornado Warning | MPX | Stearns | 47 min |
Nearby
Flash Flood Warnings in Minnesota, 1998Every flash flood 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.