Alert archive / Iowa / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 21, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 14, 1995, 4:53 PM CDT for Sioux County, Iowa. It was in force for 47 min.
The area
The counties it named.
The facts
- Issued
- Jul 14, 1995, 4:53 PM CDT (21:53 UTC)
- Expired
- Jul 14, 1995, 5:40 PM CDT
- In force
- 47 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Sioux County, IA
The radar
The Sioux Falls radar (KFSD), 72 km from the middle of the area, began a volume at 21:56 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, 9.9 hours before the alert went out and 197 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
- 2448 J/kg
- Mixed-layer CIN
- -143 J/kg
- Mixed-layer LCL
- 1394 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 101 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 142154 RRA SVRFSD IAC167-142240- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 453 PM CDT FRI JUL 14 1995 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 540 PM CDT (440 PM MDT) FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWEST IOWA ...SIOUX IA AT 451 PM CDT...A SEVERE THUNDERSTORM WAS DETECTED BY SIOUX FALLS DOPPLER RADAR 40 MILES SOUTHWEST OF SIBLEY OR 3 MILES NORTH OF IRETON MOVING NORTHEAST AT 25 MPH. THIS STORM CAN BE EXPECTED IN THE VICINITY OF... SIOUX CENTER BY 515 PM CDT CARMEL BY 515 PM CDT SIOUX CENTER MUNI ARPT BY 520 PM CDT PERKINS BY 525 PM CDT HULL BY 530 PM CDT MIDDLEBURG BY 530 PM CDT IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG 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.
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
Local storm report, Jul 14, 4:00 PM CDT, 53 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE HURON SD
400 PM CDT FRI JUL 14 1995
STORM DATA FOR THU JUL 13 1995
TIME COUNTY...LOCATION CHARACTER OF STORM...DAMAGE
1100 PM CDT HUGHES CO...BLUNT TREE DAMAGE...THREE INCH
BRANCHES BROKEN
BETWEEN 1130 PM HAND CO...ST. LAWRENCE LARGE TREES UPROOTED...
AND MIDNIGHT 12 N GARAGE BLOWN DOWN
ABOUT 10 PM CDT JONES CO...OKATON SMALL BRANCHES DOWN...
HAIL DAMAGE TO CROPS.
SPRINGERLocal storm report, Jul 14, 4:05 PM CDT, 48 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE HURON SD
400 PM CDT FRI JUL 14 1995
STORM DATA FOR THU JUL 13 1995
TIME COUNTY...LOCATION CHARACTER OF STORM...DAMAGE
1100 PM CDT HUGHES CO...BLUNT TREE DAMAGE...THREE INCH
BRANCHES BROKEN
BETWEEN 1130 PM HAND CO...ST. LAWRENCE LARGE TREES UPROOTED...
AND MIDNIGHT 12 N GARAGE BLOWN DOWN
ABOUT 10 PM CDT JONES CO...OKATON SMALL BRANCHES DOWN...
HAIL DAMAGE TO CROPS.
SPRINGERThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 5:02 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 48 min |
| Jul 14, 5:44 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 46 min |
| Jul 14, 6:25 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 30 min |
| Jul 14, 6:25 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 40 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.