Alert archive / Iowa / Tornado Warnings in 1995

Tornado Warning 11, NWS Quad Cities, IA

May 9, 1995Clinton County, Iowa

NWS Quad Cities, IA issued this tornado warning at May 9, 1995, 5:58 PM CDT for Clinton County, Iowa. It was in force for 47 min.

The area

The counties it named.

The facts

Issued: May 9, 1995, 5:58 PM CDT (22:58 UTC)
Expired: May 9, 1995, 6:45 PM CDT
In force: 47 min
Issued by: NWS Quad Cities, IA
Area: Whole counties

County Clinton County, IA

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 11.0 hours before the alert went out and 31 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 142 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 719 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 43 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMLI 092259
TORMLI
IAC045-092345-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
558 PM CDT TUE MAY 9 1995
 
THE NATIONAL WEATHER SERVICE IN QUAD CITIES IA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  645 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL IOWA
 
   ...CLINTON COUNTY
 
AT 558 PM CDT...FUNNEL CLOUDS WERE REPORTED NEAR DEWITT. THIS STORM HAS
A HISTORY OF PRODUCING TORNADOS AS IT MOVED THROUGH SCOTT COUNTY. THE
STORM IS MOVING NORTH AT 35 MILES AN HOUR AND WILL PASS OVER
WALTON...PETERSVILLE...AND CHARLOTTE BY 620 PM. TAKE COVER NOW AS
DOPPLER RADAR INDICATES THIS STORM WILL LIKELY PRODUCING MORE TORNADOS.
 
HELGESON

What forecasters said that day

The local office's own words before this tornado 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 9, 1:02 PM CDT, 4 hours 56 minutes before

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-009-
015>018-024>026-034-035-091900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
103 PM CDT TUE MAY 9 1995

...A TORNADO WATCH IS IN EFFECT FOR A SMALL PORTION OF SOUTHEAST IOWA
UNTIL 7PM CDT...

A TORNADO WATCH IS IN EFFECT FOR THE SOUTHEAST IOWA COUNTIES OF
KEOKUK... JEFFERSON AND VAN BUREN UNTIL 7PM CDT. THIS INCLUDES THE
COMMUNITIES OF SIGOURNEY... FAIRFIELD AND KEOSAUQUA. THUNDERSTORMS WILL
DEVELOP ACROSS THE WATCH AREA EARLY THIS AFTERNOON. SOME OF THESE
STORMS COULD PRODUCE LARGE HAIL AND POSSIBLE TORNADOES.

THUNDERSTORMS ARE LIKELY ACROSS THE REST OF THE TWO STATE LATER THIS
AFTERNOON ANBD EVENING. SOME OF THESE COULD BECOME SEVERE ALSO.

HENDRICKS

Special weather statement, May 9, 3:07 PM CDT, 2 hours 51 minutes before

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-009-
015>018-024>026-034-035-092300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
307 PM CDT TUE MAY 9 1995

...A TORNADO WATCH IS IN EFFECT FOR KEOKUK... JEFFERSON AND VAN BUREN
COUNTIES IN SOUTHEAST IOWA UNTIL 7PM CDT...
...A TORNADO WATCH IS IN EFFECT FOR THE REMAINDER OF THE TWO STATE
REGION UNTIL 9PM CDT...

A TORNADO WATCH IS IN EFFECT FOR THE SOUTHEAST IOWA COUNTIES OF
KEOKUK... JEFFERSON AND VAN BUREN UNTIL 7PM CDT. ANOTHER TORNADO WATCH
HAS JUST BEEN ISSUED FOR THE REMAINDER OF THE TWO STATE REGION UNTIL
9PM CDT. THIS INCLUDES THE QUAD CITIES... BURLINGTON... DUBUQUE...
FREEPORT... PRINCE*TON... MUSCATINE AND GENESEO.

HENDRICKS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 3:18 PM CDT	Tornado Warning	DVN	Louisa, Muscatine	42 min
May 9, 3:30 PM CDT	Severe Thunderstorm Warning	DVN	Johnson	30 min
May 9, 3:51 PM CDT	Tornado Warning	DVN	Cedar, Muscatine	54 min
May 9, 3:51 PM CDT	Tornado Warning	DVN	Louisa	54 min
May 9, 3:57 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Linn	48 min
May 9, 4:07 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines	53 min
May 9, 4:24 PM CDT	Severe Thunderstorm Warning	DVN	Scott	66 min
May 9, 4:33 PM CDT	Tornado Warning	DVN	Scott	42 min
May 9, 4:40 PM CDT	Severe Thunderstorm Warning	DVN	Jones	50 min
May 9, 4:47 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton	58 min
May 9, 5:00 PM CDT	Tornado Warning	DVN	Muscatine	15 min
May 9, 5:09 PM CDT	Tornado Warning	DVN	Clinton, Scott	51 min
May 9, 5:14 PM CDT	Tornado Warning	DVN	Jones, Linn	46 min
May 9, 6:00 PM CDT	Severe Thunderstorm Warning	DVN	Delaware, Dubuque	60 min

Nearby

Tornado Warnings in Iowa, 1995 Every tornado warning in 1995 Tornadoes 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.