Alert archive / Iowa / Tornado Warnings in 1995

Tornado Warning 4, NWS Quad Cities, IA

May 9, 1995Scott County, Iowa

NWS Quad Cities, IA issued this tornado warning at May 9, 1995, 4:33 PM CDT for Scott County, Iowa. It was in force for 42 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: May 9, 1995, 4:33 PM CDT (21:33 UTC)
Expired: May 9, 1995, 5:15 PM CDT
In force: 42 min
Issued by: NWS Quad Cities, IA
Area: Whole counties

County Scott County, IA

What was reported inside it

Time	Report	Where	Remark
May 9, 4:50 PM CDT	Tornado F0	Walcott, IA

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 9.6 hours before the alert went out and 10 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 092134
TORMLI
IAC163-092215-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
433 PM CDT TUE MAY 9 1995
 
THE NATIONAL WEATHER SERVICE IN QUAD CITIES IA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  515 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL IOWA
 
   ...SCOTT COUNTY
 
AT 433 PM CDT...A PUBLIC REPORT INDICATED A TORNADO 2 MILES SOUTHWEST OF
WALCOTT MOVING NORTHEAST AT 35 MILES AN HOUR. TOWNS IN THE PATH OF THIS
TORNADO INCLUDE MAYSVILLE AND ELDRIDGE BETWEEN 435 PM AND 450 PM.
 
A TORNADO IS ON THE GROUND!  TAKE SHELTER NOW!
 
HELGESON
 
&

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, 4:40 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, 5:58 PM CDT	Tornado Warning	DVN	Clinton	47 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.