Alert archive / Minnesota / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 123, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 30, 1998, 10:31 PM CDT for Hennepin County, Minnesota. It was in force for 44 min. 8 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
- May 30, 1998, 10:31 PM CDT (03:31 UTC)
- Expired
- May 30, 1998, 11:15 PM CDT
- In force
- 44 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Hennepin County, MN
The radar
The Minneapolis radar (KMPX), 19 km from the middle of the area, began a volume at 03:36 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 |
|---|---|---|---|
| May 30, 10:36 PM CDT | Thunderstorm Wind 61 | Minnetonka, MN | |
| May 30, 10:37 PM CDT | Thunderstorm Wind 63 | Flying Cloud Arpt, MN | |
| May 30, 10:39 PM CDT | Thunderstorm Wind 70 | Eden Prairie, MN | 200 trees knocked over. |
| May 30, 10:41 PM CDT | Thunderstorm Wind 70 | Eden Prairie, MN | Camper trailer flipped at intersection of Highways 5 and 62. Estimated windspeed. |
| May 30, 10:43 PM CDT | Thunderstorm Wind 70 | Bloomington, MN | Thousands of trees down. Several houses received major damage. Estimated windspeed. |
| May 30, 10:45 PM CDT | Thunderstorm Wind 65 | Richfield, MN | Trees blown down. Estimated windspeed. |
| May 30, 10:46 PM CDT | Thunderstorm Wind 56 | Minneapolis/St Paul, MN | Measured at MSP International airport. |
| May 30, 10:50 PM CDT | Thunderstorm Wind 65 | Minneapolis, MN | Large trees blown down at intersection of I-35 and Diamond Lake Rd. About 3000 trees blown over. Nearly 500,000 homes without power. Estimated windspeed. |
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 |
|---|---|---|---|
| May 30, 10:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 3.5 hours before the alert went out and 20 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
- 1397 J/kg
- Mixed-layer CIN
- -108 J/kg
- Mixed-layer LCL
- 1452 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 349 m²/s²
- 0-3 km storm-relative helicity
- 357 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 4.6
The text
As transmitted, in the capitals the NWS used until 2016.
714
WUUS1 KMSP 310333 RRA
SVRMSP
MNC053-310415-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1031 PM CDT SAT MAY 30 1998
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES/CHANHASSEN HAS
ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA
* UNTIL 1115 PM CDT
* AT 1030 PM CDT...DOPPLER RADAR INDICATED A SEVERE STORM WITH
DAMAGING WINDS NEAR WACONIA OR...40 MILES SOUTHWEST OF
MINNEAPOLIS.
THE STORM WAS MOVING EAST AT 35 MPH.
* SOME LOCATIONS AFFECTED
BLOOMINGTON
EDEN PRAIRIE
THIS IS A DANGEROUS STORM...WITH DAMAGING WINDS. STAY INDOORS
AWAY FROM WINDOWS.
A TORNADO WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES.
JPRWhat 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.
In the hours before
Special weather statement, May 30, 8:10 PM CDT, 2 hours 21 minutes before
MNZ047-048-310300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 810 PM CDT SAT MAY 30 1998 ...TORNADO WATCH NUMBER 468 CANCELED FOR A SMALL PART OF WEST CENTRAL MINNESOTA... THE TORNADO WATCH HAS BEEN CANCELLED FOR STEVENS AND POPE COUNTY OF WEST CENTRAL MINNESOTA. THE SEVERE THUNDERSTORMS HAVE MOVED SOUTH OF THESE COUNTIES. THE TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF THE SOUTHERN HALF OF THE STATE UNTIL 10 PM. BAP
Special weather statement, May 30, 8:10 PM CDT, 2 hours 21 minutes before
MNZ047-048-310300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 810 PM CDT SAT MAY 30 1998 ...TORNADO WATCH NUMBER 468 CANCELED FOR A SMALL PART OF WEST CENTRAL MINNESOTA... THE TORNADO WATCH HAS BEEN CANCELLED FOR STEVENS AND POPE COUNTY OF WEST CENTRAL MINNESOTA. THE SEVERE THUNDERSTORMS HAVE MOVED SOUTH OF THESE COUNTIES. THE TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF THE SOUTHERN HALF OF THE STATE UNTIL 10 PM. BAP
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 7:05 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Swift | 55 min |
| May 30, 7:18 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa | 57 min |
| May 30, 7:30 PM CDT | Severe Thunderstorm Warning | MPX | Stearns | 45 min |
| May 30, 7:34 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle | 56 min |
| May 30, 7:45 PM CDT | Severe Thunderstorm Warning | MPX | Chisago, Isanti | 45 min |
| May 30, 7:58 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Meeker | 62 min |
| May 30, 8:12 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Yellow Medicine | 48 min |
| May 30, 8:16 PM CDT | Severe Thunderstorm Warning | MPX | Stearns | 44 min |
| May 30, 8:26 PM CDT | Severe Thunderstorm Warning | MPX | Chisago | 64 min |
| May 30, 8:39 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle, Yellow Medicine | 51 min |
| May 30, 8:46 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Morrison | 44 min |
| May 30, 8:59 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Kandiyohi, Meeker, Renville, Stearns | 61 min |
| May 30, 8:59 PM CDT | Severe Thunderstorm Warning | MPX | Redwood | 61 min |
| May 30, 9:26 PM CDT | Severe Thunderstorm Warning | MPX | Yellow Medicine | 34 min |
| May 30, 9:31 PM CDT | Severe Thunderstorm Warning | MPX | Kanabec, Mille Lacs | 59 min |
| May 30, 9:47 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Wright | 58 min |
| May 30, 9:47 PM CDT | Severe Thunderstorm Warning | MPX | Nicollet, Sibley | 58 min |
| May 30, 9:54 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Isanti | 61 min |
| May 30, 10:23 PM CDT | Severe Thunderstorm Warning | MPX | Carver | 37 min |
| May 30, 10:34 PM CDT | Severe Thunderstorm Warning | MPX | Hennepin, Scott | 51 min |
| May 30, 10:39 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Ramsey, Washington | 46 min |
| May 30, 10:54 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 46 min |
| May 30, 11:05 PM CDT | Severe Thunderstorm Warning | MPX | Rice, Steele, Waseca | 40 min |
| May 30, 11:05 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 40 min |
| May 30, 11:29 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn | 31 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; radar from the NEXRAD Level II archive.