Alert archive / Iowa / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 39, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Jun 3, 2016, 9:55 PM CDT for Grundy County, Hardin County, Marshall County, Iowa. It was in force for 50 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 3, 2016, 9:55 PM CDT (02:55 UTC)
- Expired
- Jun 3, 2016, 10:45 PM CDT
- In force
- 50 min
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Grundy County, IA, Hardin County, IA, Marshall County, IA
The radar
The Des Moines radar (KDMX), 76 km from the middle of the area, began a volume at 02:55 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 3, 10:00 PM CDT | HAIL 0.88 | 3 W New Providence, IA | GROUND COVERED WITH NICKEL SIZE HAIL. |
| Jun 3, 10:10 PM CDT | TSTM WND DMG | 1 S New Providence, IA | MACHINE SHED DESTROYED JUST SOUTH OF NEW PROVIDENCE. TIME ESTIMATED FROM RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 2.9 hours before the alert went out and 230 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
- 17 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 2046 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
092
WUUS53 KDMX 040255
SVRDMX
IAC075-083-127-040345-
/O.NEW.KDMX.SV.W.0039.160604T0255Z-160604T0345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
955 PM CDT FRI JUN 3 2016
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN MARSHALL COUNTY IN CENTRAL IOWA...
SOUTHERN HARDIN COUNTY IN CENTRAL IOWA...
WESTERN GRUNDY COUNTY IN CENTRAL IOWA...
* UNTIL 1045 PM CDT
* AT 954 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES SOUTHWEST
OF ELDORA...MOVING EAST AT 30 MPH.
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE
TO ROOFS...SIDING...AND TREES.
* LOCATIONS IMPACTED INCLUDE...
ELDORA...GRUNDY CENTER...CONRAD...HUBBARD...WELLSBURG...UNION...
STEAMBOAT ROCK...LISCOMB...HOLLAND...NEW PROVIDENCE...BEAMAN...
WHITTEN...GARDEN CITY...
ELDORA MUNICIPAL AIRPORT AND PINE LAKE STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.
&&
LAT...LON 4220 9323 4221 9323 4221 9339 4233 9341
4249 9277 4219 9277
TIME...MOT...LOC 0254Z 261DEG 26KT 4228 9315
HAIL...1.00IN
WIND...60MPH
$$
REV2 follow-up statements
853
WWUS53 KDMX 040320
SVSDMX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
1020 PM CDT FRI JUN 3 2016
IAC075-083-127-040345-
/O.CON.KDMX.SV.W.0039.000000T0000Z-160604T0345Z/
MARSHALL IA-HARDIN IA-GRUNDY IA-
1020 PM CDT FRI JUN 3 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR NORTHERN MARSHALL...SOUTHEASTERN HARDIN AND WESTERN GRUNDY
COUNTIES...
AT 1020 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES NORTHWEST
OF CONRAD...OR 8 MILES SOUTHEAST OF ELDORA...MOVING EAST AT 25 MPH.
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS...SIDING...AND TREES.
LOCATIONS IMPACTED INCLUDE...
ELDORA...GRUNDY CENTER...CONRAD...WELLSBURG...UNION...
STEAMBOAT ROCK...LISCOMB...HOLLAND...NEW PROVIDENCE...BEAMAN...
WHITTEN...PINE LAKE STATE PARK AND ELDORA MUNICIPAL AIRPORT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.
&&
LAT...LON 4220 9323 4221 9323 4237 9324 4249 9277
4219 9277
TIME...MOT...LOC 0320Z 260DEG 23KT 4230 9296
HAIL...1.00IN
WIND...60MPH
$$
REV592
WWUS53 KDMX 040344
SVSDMX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
1044 PM CDT FRI JUN 3 2016
IAC075-083-127-040354-
/O.EXP.KDMX.SV.W.0039.000000T0000Z-160604T0345Z/
MARSHALL IA-HARDIN IA-GRUNDY IA-
1044 PM CDT FRI JUN 3 2016
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MARSHALL...
SOUTHEASTERN HARDIN AND WESTERN GRUNDY COUNTIES WILL EXPIRE AT 1045
PM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER SMALL HAIL
IS STILL POSSIBLE WITH THIS THUNDERSTORM.
LAT...LON 4220 9323 4221 9323 4237 9324 4249 9277
4219 9277
TIME...MOT...LOC 0343Z 261DEG 26KT 4230 9296
$$
REVThe office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 12:17 AM CDT | Special Weather Statement | DMX | Black Hawk | 28 min |
| Jun 4, 12:29 AM CDT | Special Weather Statement | DMX | Mahaska | 46 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 2016Every severe thunderstorm warning in 2016
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.