Alert archive / Iowa / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 3, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Mar 30, 2016, 7:26 PM CDT for Dallas County, Iowa. It was in force for 19 min. 1 report 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
- Mar 30, 2016, 7:26 PM CDT (00:26 UTC)
- Expired
- Mar 30, 2016, 7:45 PM CDT
- In force
- 19 min
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Dallas County, IA
The radar
The Des Moines radar (KDMX), 20 km from the middle of the area, began a volume at 00:28 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 |
|---|---|---|---|
| Mar 30, 7:30 PM CDT | HAIL 1.25 | 1 E Dallas Center, IA | DALLAS CENTER FIRE DEPARTMENT REPORTED JUST UNDER PING PONG BALL SIZED HAIL MIXED IN WITH SMALLER HAIL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 0.4 hours before the alert went out and 206 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
- 27 J/kg
- Mixed-layer CIN
- -237 J/kg
- Mixed-layer LCL
- 1015 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 114 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.0
The text
As transmitted.
380 WUUS53 KDMX 310026 SVRDMX IAC049-310045- /O.NEW.KDMX.SV.W.0003.160331T0026Z-160331T0045Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE DES MOINES IA 726 PM CDT WED MAR 30 2016 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN DALLAS COUNTY IN CENTRAL IOWA... * UNTIL 745 PM CDT * AT 724 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR DALLAS CENTER...OR NEAR ADEL...MOVING NORTHEAST AT 30 MPH. HAZARD...QUARTER SIZE HAIL. SOURCE...RADAR INDICATED. IMPACT...DAMAGE TO VEHICLES IS EXPECTED. * LOCATIONS IMPACTED INCLUDE... ADEL...DALLAS CENTER...GRANGER AND WOODWARD. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING. && LAT...LON 4160 9395 4162 9406 4184 9397 4179 9383 TIME...MOT...LOC 0024Z 205DEG 25KT 4166 9399 HAIL...1.00IN WIND...<50MPH $$ SKOW
2 follow-up statements
625 WWUS53 KDMX 310032 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 732 PM CDT WED MAR 30 2016 IAC049-310045- /O.CON.KDMX.SV.W.0003.000000T0000Z-160331T0045Z/ DALLAS IA- 732 PM CDT WED MAR 30 2016 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR NORTHEASTERN DALLAS COUNTY... AT 732 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR DALLAS CENTER... OR 6 MILES NORTHEAST OF ADEL...MOVING NORTHEAST AT 30 MPH. HAZARD...HALF DOLLAR SIZE HAIL. SOURCE...LAW ENFORCEMENT. IMPACT...DAMAGE TO VEHICLES IS EXPECTED. LOCATIONS IMPACTED INCLUDE... DALLAS CENTER...GRANGER AND WOODWARD. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING. && LAT...LON 4165 9392 4167 9403 4184 9397 4179 9383 TIME...MOT...LOC 0032Z 203DEG 25KT 4170 9395 HAIL...1.25IN WIND...<50MPH $$ SKOW
281
WWUS53 KDMX 310042
SVSDMX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
742 PM CDT WED MAR 30 2016
IAC049-310052-
/O.EXP.KDMX.SV.W.0003.000000T0000Z-160331T0045Z/
DALLAS IA-
742 PM CDT WED MAR 30 2016
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DALLAS COUNTY
WILL EXPIRE AT 745 PM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS
AND EXITED THE WARNED AREA. THEREFORE THE WARNING WILL BE ALLOWED TO
EXPIRE. HOWEVER SMALL HAIL....GUSTY WINDS AND HEAVY RAIN ARE STILL
POSSIBLE WITH THIS THUNDERSTORM.
LAT...LON 4165 9392 4167 9403 4184 9397 4179 9383
TIME...MOT...LOC 0041Z 205DEG 25KT 4170 9395
$$
SKOWThe office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 7:53 PM CDT | Special Weather Statement | DMX | Polk | 37 min |
| Mar 30, 8:00 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk | 35 min |
| Mar 30, 10:16 PM CDT | Special Weather Statement | DMX | Humboldt | 29 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.