Alert archive / Iowa / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 52, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 23, 1995, 5:31 PM CDT for Plymouth County, Iowa. It was in force for 64 min.
The area
The counties it named.
The facts
- Issued
- Jul 23, 1995, 5:31 PM CDT (22:31 UTC)
- Expired
- Jul 23, 1995, 6:35 PM CDT
- In force
- 64 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Plymouth County, IA
The radar
The Sioux Falls radar (KFSD), 103 km from the middle of the area, began a volume at 22:33 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
Omaha, NE (KOAX), launched 12:00Z, 10.5 hours before the alert went out and 158 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
- 334 J/kg
- Mixed-layer CIN
- -82 J/kg
- Mixed-layer LCL
- 1045 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -32 m²/s²
- 0-3 km storm-relative helicity
- 26 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 KFSD 232233 RRA SVRFSD IAC149-232335- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 531 PM CDT SUN JUL 23 1995 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 635 PM CDT (535 PM MDT) FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWEST IOWA ...PLYMOUTH COUNTY AT 528 PM CDT...A SEVERE THUNDERSTORM WAS DETECTED BY SIOUX FALLS DOPPLER RADAR 20 MILES NORTH OF SIOUX CITY OR NEAR AKRON MOVING EAST AT 25 MPH. THIS STORM CAN BE EXPECTED IN THE VICINITY OF... RUBLE BY 544 PM CDT ADAVILLE BY 545 PM CDT MILLNERVILLE BY 546 PM CDT BRUNSVILLE BY 602 PM CDT MERRILL BY 606 PM CDT HINTON BY 608 PM CDT LE MARS BY 615 PM CDT SENEY BY 621 PM CDT NEPTUNE BY 621 PM CDT IF YOU ARE CAUGHT OUTSIDE.\..SEEK SHELTER FROM THE WEATHER IN A STRONG...REINFORCED BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. MED
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.
In the hours before
Special weather statement, Jul 23, 5:20 PM CDT, 11 minutes before
MNZ071-072-SDZ040-232325- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 520 PM CDT SUN JUL 23 1995 ...URBAN AND SMALL STREAM FLOODING THREAT HAS ENDED FOR BROOKINGS COUNTY...AND LINCOLN AND LYON COUNTIES IN MINNESOTA... THUNDERSTORMS WHICH PRODUCED TORRENTIAL RAINS FROM SOUTHERN BROOKINGS COUNTY ACROSS LINCOLN AND LYON COUNTIES IN MINNESOTA HAVE MOVED SOUTH AND EAST OF THE AREA. DOPPLER RADAR ESTIMATES NEARLY TWO INCHES OF RAIN FELL IN THE PAST THREE HOURS IN SOUTHERN BROOKINGS COUNTY. NEARLY TWO INCHES WERE REPORTED IN THE COMMUNITY OF BROOKINGS...FLOODING STREETS AND LOW LYING AREAS. THE CHANCE FOR WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH THE EVENING...BUT HEAVY RAINFALL IS NO LONGER EXPECTED. CHAPMAN
Special weather statement, Jul 23, 5:21 PM CDT, 10 minutes before
MNZ071-072-SDZ040-232325- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 520 PM CDT SUN JUL 23 1995 ...URBAN AND SMALL STREAM FLOODING THREAT HAS ENDED FOR BROOKINGS COUNTY...AND LINCOLN AND LYON COUNTIES IN MINNESOTA... THUNDERSTORMS WHICH PRODUCED TORRENTIAL RAINS FROM SOUTHERN BROOKINGS COUNTY ACROSS LINCOLN AND LYON COUNTIES IN MINNESOTA HAVE MOVED SOUTH AND EAST OF THE AREA. DOPPLER RADAR ESTIMATES NEARLY TWO INCHES OF RAIN FELL IN THE PAST THREE HOURS IN SOUTHERN BROOKINGS COUNTY. NEARLY TWO INCHES WERE REPORTED IN THE COMMUNITY OF BROOKINGS...FLOODING STREETS AND LOW LYING AREAS. THE CHANCE FOR WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUG@H THE EVENING...BUT HEAVY RAINFALL IS NO LONGER EXPECTED. CHAPMAN
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 3:26 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 44 min |
| Jul 23, 5:03 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 62 min |
| Jul 23, 6:20 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 50 min |
| Jul 23, 6:34 PM CDT | Tornado Warning | FSD | Plymouth | 23 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 1995Every severe thunderstorm warning in 1995
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.