Alert archive / Iowa / Tornado Warnings in 2001

Tornado Warning 30, NWS Quad Cities, IA

June 1, 2001Dubuque County, Jones County, Iowa

NWS Quad Cities, IA issued this tornado warning at Jun 1, 2001, 6:13 PM CDT for Dubuque County, Jones County, Iowa. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Jun 1, 2001, 6:13 PM CDT (23:13 UTC)
Expired: Jun 1, 2001, 7:00 PM CDT
In force: 47 min
Issued by: NWS Quad Cities, IA
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Dubuque County, IA, Jones County, IA

The radar

The Quad Cities radar (KDVN), 84 km from the middle of the area, began a volume at 23:14 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 1, 1:30 PM CDT	Tornado Watch	SPC	6 hr
Jun 1, 5:30 PM CDT	Tornado Watch	SPC	4 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 11.2 hours before the alert went out and 87 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 536 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -54 m²/s²
0-3 km storm-relative helicity: -77 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 012318
TORMLI
IAC061-105-020000-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
613 PM CDT FRI JUN 1 2001

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  JONES COUNTY IN EAST CENTRAL IOWA
  DUBUQUE COUNTY IN NORTHEAST IOWA

* UNTIL 700 PM CDT

* AT 609 PM CDT...SPOTTERS INDICATED A TORNADO NEAR EPWORTH...MOVING 
EAST AT 35 MPH. THIS STORM WILL AFFECT THE PEOSTA AREA BY 620 PM. 
DOPPLER RADAR ALSO INDICATED A POSSIBLE TORNADO BETWEEN MONTICELLO 
AND CASCADE...MOVING EAST AT 35 MPH. THESE STORMS ALSO HAVE A 
HISTORY OF LARGE HAIL.

* THE TORNADO IS EXPECTED TO BE NEAR...
   TEMPLE HILL BY 620 PM CDT.
   PEOSTA BY 620 PM CDT.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. SEEK
SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR
ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND
ALWAYS STAY AWAY FROM WINDOWS.

A TORNADO WATCH REMAINS IN EFFECT 700 PM CDT FRIDAY EVENING FOR 
NORTHEASTERN IOWA.

LAT...LON 4236 9109 4219 9118 4214 9099 4241 9083

REA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 1, 4:14 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan	61 min
Jun 1, 4:35 PM CDT	Tornado Warning	DVN	Buchanan	40 min
Jun 1, 5:11 PM CDT	Tornado Warning	DVN	Delaware	64 min
Jun 1, 5:14 PM CDT	Tornado Warning	DVN	Buchanan	46 min
Jun 1, 5:51 PM CDT	Tornado Warning	DVN	Dubuque, Jones	24 min
Jun 1, 6:24 PM CDT	Tornado Warning	DVN	Jackson	51 min

Nearby

Tornado Warnings in Iowa, 2001 Every tornado warning in 2001 Tornadoes in 2001

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.