Alert archive / Iowa / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 174, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Jun 6, 2006, 4:44 PM CDT for Davis County, Iowa. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 6, 2006, 4:44 PM CDT (21:44 UTC)
- Expired
- Jun 6, 2006, 5:30 PM CDT
- In force
- 46 min
- Issued by
- NWS Des Moines, IA
- Area
- Counties, with a storm outline in the text
County Davis County, IA
The radar
The Des Moines radar (KDMX), 155 km from the middle of the area, began a volume at 21:47 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, 9.7 hours before the alert went out and 187 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.
- Mixed-layer CAPE
- 1 J/kg
- Mixed-layer CIN
- -307 J/kg
- Mixed-layer LCL
- 1172 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
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.
NWS Des Moines, IA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 6, 4:25 PM CDT, 19 minutes earlier.
Area forecast discussion, Jun 6, 4:25 PM CDT, 19 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DES MOINES IA 425 PM CDT TUE JUN 6 2006 .DISCUSSION... MAIN FORECAST CONCERNS ARE CONVECTIVE TRENDS NEAR TERM...THEN RAIN CHCS THRU FRIDAY WITH A COUPLE OF DIFFICULT TO RESOLVE SHORT WAVES...AND FINALLY A POTENTIALLY ACTIVE EXTENDED PERIOD. A SCATTERED LINE OF THUNDERSTORMS IS MOVING THROUGH SOUTHEAST COUNTIES ATTM WITH ISOLD NICKEL HAIL. BETTER TOR POTENTIAL TO THE EAST WITH SEVERAL CONFIRMED TORNADOES THUS FAR...BUT SHORT TERM THREAT WILL BEAR WATCHING INVOF OTM AND CENTERVILLE. STORMS SHOULD EXIT CWA BETWEEN 6 AND 7 PM WITH WEAK HIGH PRESSURE RIDGE TO FOLLOW OVERNIGHT INTO WED. THE NAM/GFS ARE BOTH SUGGESTING A SERIES OF RIDGE RIDING SHORT WAVE TROUGHS TO AFFECT THE REGION LATE WED THRU FRIDAY. THE MODELS ARE NOT LATCHING ON TO CONSISTENT TIMING AND WILL KEEP POP COVERAGE CONSERVATIVE FOR NOW...WITH SLT CHCS OVER WESTERN COUNTIES THURSDAY...AND OVER THE SOUTH THURSDAY NIGHT. WE COULD SEE A FEW MARGINAL SEVERE STORM...MAINLY THURS AFT/EVE. ADDITIONAL SHORT WAVES ARRIVE FRI/SAT AND WILL LEAVE CURRENT POPS IN NORTHERN SECTIONS ALONE GIVEN THE UNCERTAINTY. SAT NITE THROUGH THE WEEKEND...THE UPPER RIDGE WILL GRADUALLY FLATTEN WITH A FRONTAL BOUNDARY EXPECTED TO WAVER NORTH AND SOUTH NEAR CENTRAL IOWA. THE SETUP FAVORS OVERNIGHT MCS ACTIVITY WITH CONSISTENT BOUNDARY AND MOISTURE FEED. && .DMX WATCHES/WARNINGS/ADVISORIES...NONE. && KINNEY
Hazardous weather outlook, Jun 6, 3:58 PM CDT, 46 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DES MOINES IA 358 PM CDT TUE JUN 6 2006 IAZ074-075-084>086-094>097-071100- MARION-MAHASKA-LUCAS-MONROE-WAPELLO-DECATUR-WAYNE-APPANOOSE-DAVIS- 358 PM CDT TUE JUN 6 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA. .DAY ONE...REST OF THIS AFTERNOON AND TONIGHT AN ISOLATED SEVERE STORM IS POSSIBLE DURING THE LATE AFTERNOON HOURS...WITH HAIL TO NICKEL SIZE AND LOCALIZED WIND GUSTS TO 60 MPH POSSIBLE. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY SCATTERED THUNDERSTORMS ARE POSSIBLE THURSDAY NIGHT OVER SOUTHERN PORTIONS OF IOWA. A FEW SEVERE STORMS ARE POSSIBLE...MAINLY THURSDAY EVENING...WITH HAIL TO PENNY SIZE AND WIND GUSTS TO 60 MPH THE MAIN THREATS. PERIODS OF THUNDERSTORMS ARE EXPECTED FROM FRIDAY NIGHT THROUGH MONDAY. IT IS TOO EARLY TO OUTLINE THE SPECIFIC SEVERE WEATHER THREATS...HOWEVER WITH A FRONTAL BOUNDARY IN THE AREA...THERE IS POTENTIAL FOR HEAVY RAIN OVER PORTIONS OF CENTRAL IOWA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THROUGH 7 PM THIS EVENING. IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>073- 081>083-092-093-071100- EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE- BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER- POWESHIEK-CASS-ADAIR-MADISON-WARREN-ADAMS-UNION-CLARKE-TAYLOR- RINGGOLD- 358 PM CDT TUE JUN 6 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA. .DAY ONE...REST OF THIS AFTERNOON AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY SCATTERED THUNDERSTORMS ARE POSSIBLE THURSDAY AND THURSDAY NIGHT OVER WESTERN AND SOUTHERN PORTIONS OF IOWA. A FEW SEVERE STORMS ARE POSSIBLE...MAINLY THURSDAY AFTERNOON AND EVENING...WITH HAIL TO PENNY SIZE AND WIND GUSTS TO 60 MPH THE MAIN THREATS. PERIODS OF THUNDERSTORMS ARE EXPECTED FROM FRIDAY NIGHT THROUGH MONDAY. IT IS TOO EARLY TO OUTLINE THE SPECIFIC SEVERE WEATHER THREATS...HOWEVER WITH A FRONTAL BOUNDARY IN THE AREA...THERE IS POTENTIAL FOR HEAVY RAIN OVER PORTIONS OF CENTRAL IOWA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED LATE THIS AFTERNOON OR TONIGHT. KINNEY
In the hours before
Local storm report, Jun 6, 3:57 PM CDT, 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
357 PM CDT TUE JUN 06 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0350 PM HAIL 2 SE EDDYVILLE 41.14N 92.60W
06/06/2006 E0.88 INCH WAPELLO IA PUBLIC
&&
COGILLocal storm report, Jun 6, 4:42 PM CDT, 2 minutes before
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</html>The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 3:48 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 57 min |
| Jun 6, 4:47 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 13 min |
| Jun 6, 5:10 PM CDT | Tornado Warning | DMX | Davis | 50 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 2006Every severe thunderstorm warning in 2006
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.