Alert archive / Iowa / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 92, NWS Quad Cities, IA

September 30, 1995Cedar County, Iowa

NWS Quad Cities, IA issued this severe thunderstorm warning at Sep 30, 1995, 6:11 PM CDT for Cedar County, Iowa. It was in force for 19 min.

The area

The counties it named.

The facts

Issued
Sep 30, 1995, 6:11 PM CDT (23:11 UTC)
Expired
Sep 30, 1995, 6:30 PM CDT
In force
19 min
Issued by
NWS Quad Cities, IA
Area
Whole counties

County Cedar County, IA

The radar

The Quad Cities radar (KDVN), 49 km from the middle of the area, began a volume at 23:11 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

Davenport, (KDVN), launched 12:00Z, 11.2 hours before the alert went out and 55 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.

Skew-T log-pSkew-T log-p diagram, Davenport, at 12:00Z on 1995-09-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 12:00Z on 1995-09-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 360 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1140 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
360 m²/s²
0-3 km storm-relative helicity
363 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMLI 302312 RRA
SVRMLI
IAC031-302345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
611 PM CDT SAT SEP 30 1995
 
THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  645 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL IOWA
 
   ...CEDAR COUNTY
 
AT 610 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR
TIPTON...26 MILES NORTHWEST OF THE QUAD CITIES...MOVING NORTHEAST AT 50
MILES AN HOUR. THE STORM WILL REACH LOWDEN BY 625 PM...AND MASSILLON AS
WELL BY 625 PM. THIS IS A DANGEROUS STORM. TAKE SHELTER
NOW!
 
DAMAGING WINDS AND LARGE HAIL ARE LIKELY.  GO INSIDE A STUR:DY
BUILDING AND STAY AWAY FROM WINDOWS!

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.