Alert archive / Iowa / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 24, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 14, 1995, 5:44 PM CDT for Lyon County, Iowa. It was in force for 46 min.
The area
The counties it named.
The facts
- Issued
- Jul 14, 1995, 5:44 PM CDT (22:44 UTC)
- Expired
- Jul 14, 1995, 6:30 PM CDT
- In force
- 46 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Lyon County, IA
The radar
The Sioux Falls radar (KFSD), 48 km from the middle of the area, began a volume at 22:43 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, 10.7 hours before the alert went out and 230 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 142246 RRA SVRFSD IAC119-142330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 544 PM CDT FRI JUL 14 1995 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 630 PM CDT (530 PM MDT) FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWEST IOWA ...LYON IA AT 535 PM CDT...A SEVERE THUNDERSTORM WAS DETECTED BY SIOUX FALLS DOPPLER RADAR 25 MILES SOUTHWEST OF SIBLEY OR 3 MILES SOUTH OF DOON MOVING NORTHEAST AT 25 MPH. THIS STORM CAN BE EXPECTED IN THE VICINITY OF... DOON BY 550 PM CDT LAKEWOOD BY 600 PM CDT EDNA BY 615 PM CDT ROCK RAPIDS BY 615 PM CDT ROCK RAPIDS MUNI ARPT BY 620 PM CDT THE SEVERE STORMS THAT WERE IN SIOUX COUNTY HAVE MOVED INTO LYON COUNTY SO THE SEVERE THUNDERSTORM WARNING IN SIOUX COUNTY HAS BEEN LEFT TO EXPIRE. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH... DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. RUBY
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, 1 hour 44 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, 1 hour 39 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, 4:53 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 47 min |
| Jul 14, 5:02 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 48 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.