Alert archive / Illinois / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 39, NWS Quad Cities, IA

May 13, 1995Putnam County, Illinois

NWS Quad Cities, IA issued this severe thunderstorm warning at May 13, 1995, 6:33 PM CDT for Putnam County, Illinois. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
May 13, 1995, 6:33 PM CDT (23:33 UTC)
Expired
May 13, 1995, 7:15 PM CDT
In force
42 min
Issued by
NWS Quad Cities, IA
Area
Whole counties

County Putnam County, IL

The radar

The Chicago radar (KLOT), 110 km from the middle of the area, began a volume at 23:36 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, 11.6 hours before the alert went out and 111 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 1995-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 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 1995-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 346 square meters per square second.19395878Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
501 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
346 m²/s²
0-3 km storm-relative helicity
430 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 132335
SVRMLI
ILC155-140015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
633 PM CDT SAT MAY 13 1995
 
THE NATIONAL WEATHER SERVICE IN QUAD CITIES IA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL ILLINOIS
 
   ...PUTNAM COUNTY
 
AT 633 PM CDT... DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM LOCATED
ABOUT 14 MILES TO THE SOUTHWEST OF PUTNAM. THIS STORM WAS MOVING EAST
NORTHEAST AT 40 MPH AND WILL PASS NEAR THE TOWN OF PUTNAM BY 645 PM...
AND MC NABB BY 655 PM. THIS STORM WILL PRODUCE GOLF BALL TO BASEBALL
SIZED HAIL.
 
DAMAGING WINDS AND LARGE HAIL ARE LIKELY.  GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!
 
HENDRICKS

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, May 13, 4:08 PM CDT, 2 hours 25 minutes before
ILZ009-015-016-024-IAZ065-066-067-068-078-088-089-099-ILZ002-007-
001-IAZ051-040-041-042-063-054-087-064-053-076-052-098-077-ILZ017-
034-025-035-132215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
407 PM CDT SAT MAY 13 1995

TORNADO WATCH #368 FOR PARTS OF CENTRAL AND EASTERN IOWA PARTS OF WEST
CENTRAL IOWA IN EFFECT UNTIL 900PM THIS SATURDAY EVENING. THIS WATCH
INCLUDES THE FOLLOWING CONTIES IN EASTERN IOWA AND WESTERN ILLINOIS...
...IN IOWA...
DELAWARE        DUBUQUE         JACKSON         JONES
BENTON          CEDAR           IOWA            JOHNSON
KEOKUK          LINN            POWESHIEK       TAMA
WASHINGTON      CLINTON         HENRY           LOUISA
MUSCATINE       SCOTT           DESMOINES       LEE
BUCHANAN        VAN BUREN       JEFFERSON
...IN ILLINOIS...
ROCK ISLAND     MERCER          WARREN          HENDERSON
MCDONOUGH       HANDCOCK

ALSO...TORNADO WATCH #371 FOR MOST OF WESTERN ILLINOIS IN EFFECT UNTIL
1100PM THIS SATURDAY EVENING.  THIS WATCH INCLUDES THE FOLLOWING
COUNTIES IN WESTERN ILLINOIS...
JO DAVIESS       STEPHENSON      CARROLL         WHITESIDE
BUREAU           PUTNAM          HENRY

ALL OF EASTERN IOWA AND WESTERvN ILLINOIS ARE UNDER A TORNADO WATCH THIS
SATURDAY EVENING...PLEASE STAY TUNED TO NOAA WEATHER RADIO..COMMERCIAL
RADIO..OR TV FOR FURTHER WEATHER INFORMATION.

HOLSTEN

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 13, 4:09 PM CDTTornado WarningDVNHenderson51 min
May 13, 4:09 PM CDTTornado WarningDVNHancock51 min
May 13, 4:24 PM CDTTornado WarningDVNWarren51 min
May 13, 4:38 PM CDTTornado WarningDVNHancock52 min
May 13, 4:53 PM CDTTornado WarningDVNHenderson, Warren52 min
May 13, 5:09 PM CDTTornado WarningDVNMcDonough51 min
May 13, 5:44 PM CDTTornado WarningDVNWarren31 min

Nearby

Severe Thunderstorm Warnings in Illinois, 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.