Alert archive / Iowa / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 53, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 23, 1995, 6:20 PM CDT for Woodbury County, Iowa. It was in force for 50 min.
The area
The counties it named.
The facts
- Issued
- Jul 23, 1995, 6:20 PM CDT (23:20 UTC)
- Expired
- Jul 23, 1995, 7:10 PM CDT
- In force
- 50 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Woodbury County, IA
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 11.3 hours before the alert went out and 122 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 232322 RRA SVRFSD IAC193-NEC043-240010- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 620 PM CDT SUN JUL 23 1995 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 710 PM CDT (610 PM MDT) FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWEST IOWA ...NORTHERN WOODBURY COUNTY IN NORTHEAST NEBRASKA ...NORTHERN DAKOTA COUNTY AT 618 PM CDT...A SEVERE THUNDERSTORM WAS DETECTED BY SIOUX FALLS DOPPLER RADAR 8 MILES NORTHWEST OF SIOUX CITY OR 8 MILES NORTHWEST OF LEEDS MOVING SOUTHEAST AT 35 MPH. THIS STORM CAN BE EXPECTED IN THE VICINITY OF... LEEDS BY 632 PM CDT SPRINGDALE BY 633 PM CDT SOUTH SIOUX CITY BY 633 PM CDT SIOUX CITY BY 634 PM CDT LAKETON BY 640 PM CDT DAKOTA CITY BY 641 PM CDT SIOUX CITY ARPT BY 644 PM CDT SERGEANT BLUFF BY 645 PM CDT LAWTON BY 649 PM CDT BRONSON BY 652 PM CDT SALIX BY 657 PM CDT LUTON BY 657 PM CDT MOVILLE BY 658 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. REMEMBER &THAT SEVERE CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. 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, 1 hour 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, 59 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, 5:31 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 64 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.