Alert archive / Minnesota / Tornado Warnings in 1998
Tornado Warning 53, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Aug 19, 1998, 5:34 PM CDT for Morrison County, Minnesota. It was in force for 31 min. 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, 5:34 PM CDT (22:34 UTC)
- Expired
- Aug 19, 1998, 6:05 PM CDT
- In force
- 31 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Morrison County, MN
The radar
The Minneapolis radar (KMPX), 141 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 19, 3:15 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.6 hours before the alert went out and 139 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.
419
WFUS1 KMSP 192235 RRA
TORMSP
MNC097-192305-
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
534 PM CDT WED AUG 19 1998
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES/CHANHASSEN HAS
ISSUED A
* TORNADO WARNING FOR...
WESTERN MORRISON COUNTY IN CENTRAL MINNESOTA
* UNTIL 605 PM CDT
* AT 533 PM CDT...DOPPLER RADAR DETECTED A POSSIBLE TORNADO NEAR
SWANVILLE...15 MILES WEST SOUTHWEST OF LITTLE FALLS. THE STORM
WAS MOVING EAST AT 30 MPH.
* SOME LOCATIONS AFFECTED
FLENSBURG
SOBIESKI
ELMDALE
ROYALTON
IF YOU ARE IN A CAR...GO IN A NEARBY STURDY BUILDING AS A LAST
RESORT LIE FLAT IN A DITCH AND COVER YOUR HEAD
EDWARDSThe 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, 5:42 PM CDT | Flash Flood Warning | MPX | Pope, Stevens | 2 hr |
| 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
Tornado Warnings in Minnesota, 1998Every tornado warning in 1998Tornadoes 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.