Alert archive / Missouri / Tornado Warnings in 2002

Tornado Warning 14, NWS Quad Cities, IA

June 26, 2002Clark County, Missouri; Lee County, Iowa

NWS Quad Cities, IA issued this tornado warning at Jun 26, 2002, 11:04 AM CDT for Clark County, Missouri; Lee County, Iowa. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 26, 2002, 11:04 AM CDT (16:04 UTC)
Expired
Jun 26, 2002, 11:30 AM CDT
In force
26 min
Issued by
NWS Quad Cities, IA
Area
Counties, with a storm outline in the text

Counties Lee County, IA, Clark County, MO

The radar

The Quad Cities radar (KDVN), 146 km from the middle of the area, began a volume at 16:05 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

Lincoln, IL (KILX), launched 12:00Z, 4.1 hours before the alert went out and 251 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, Lincoln, IL at 12:00Z on 2002-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 945 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2002-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 square meters per square second.1939Sfc1 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
945 J/kg
Mixed-layer CIN
-78 J/kg
Mixed-layer LCL
1012 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
40 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 
WFUS53 KDVN 261604
TORMLI
IAC111-MOC045-261630-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA
1100 AM CDT WED JUN 26 2002

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN CLARK COUNTY IN NORTHEAST MISSOURI
  WESTERN LEE COUNTY IN SOUTHEAST IOWA

* UNTIL 1130 AM CDT

* AT 1100 AM CDT...DOPPLER RADAR AND SPOTTERS INDICATED A LIKELY   
  TORNADO JUST WEST OF DONNELLSON...MOVING SOUTH AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  JUST WEST OF CHARLESTON BY 1110 AM CDT.
  JUST WEST OF ARGYLE AND VICENNES BY 1115 AM CDT.
  NEAR REVERE BY 1120 AM CDT.
  NEAR MONTROSE BY 1125 AM CDT.
  NEAR WAYLAND BY 1130 AM CDT.

A TORNADO WAS SPOTTED ON THE GROUND EAST OF BONAPARTE AT 1045 AM BY 
A FIRE CHIEF.  

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT OR ON THE 
LOWEST FLOOR OF A BUILDING IN AN INTERIOR HALLWAY OR ROOM.

LAT...LON 4077 9148 4072 9171 4026 9167 4026 9151
          4038 9145 4041 9138

LRE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 11:34 AM CDTTornado WarningDVNClark26 min
Jun 26, 3:50 PM CDTSevere Thunderstorm WarningDVNBuchanan40 min
Jun 26, 4:26 PM CDTSevere Thunderstorm WarningDVNBenton49 min
Jun 26, 5:29 PM CDTSevere Thunderstorm WarningDVNIowa61 min
Jun 26, 5:37 PM CDTSevere Thunderstorm WarningDVNDubuque, Jackson53 min
Jun 26, 5:51 PM CDTSevere Thunderstorm WarningDVNJohnson54 min
Jun 26, 6:50 PM CDTSevere Thunderstorm WarningDVNCedar, Johnson, Muscatine40 min

Nearby

Tornado Warnings in Missouri, 2002Tornado Warnings in Iowa, 2002Every tornado warning in 2002Tornadoes in 2002

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.