Alert archive / Iowa / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 528

July 2, 200024 counties in Iowa; Atchison County, Missouri; 16 counties in Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at Jul 2, 2000, 7:00 PM CDT for 24 counties in Iowa; Atchison County, Missouri; 16 counties in Nebraska. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Jul 2, 2000, 7:00 PM CDT (00:00 UTC)
Expired
Jul 2, 2000, 11:00 PM CDT
In force
4 hr
Issued by
the Storm Prediction Center
All 41 counties

Adair County, IA, Adams County, IA, Audubon County, IA, Boone County, IA, Carroll County, IA, Cass County, IA, Clarke County, IA, Dallas County, IA, Decatur County, IA, Fremont County, IA, Greene County, IA, Guthrie County, IA, Harrison County, IA, Madison County, IA, Mills County, IA, Montgomery County, IA, Page County, IA, Polk County, IA, Pottawattamie County, IA, Ringgold County, IA, Shelby County, IA, Taylor County, IA, Union County, IA, Warren County, IA, Atchison County, MO, Butler County, NE, Cass County, NE, Colfax County, NE, Dodge County, NE, Douglas County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Nemaha County, NE, Otoe County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Washington County, NE

Warnings issued inside it

10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jul 2, 7:05 PM CDTSevere Thunderstorm WarningDMXDallas40 min
Jul 2, 7:17 PM CDTSevere Thunderstorm WarningOAXDodge43 min
Jul 2, 7:57 PM CDTSevere Thunderstorm WarningOAXDodge, Douglas, Washington48 min
Jul 2, 7:57 PM CDTSevere Thunderstorm WarningOAXSaunders48 min
Jul 2, 8:56 PM CDTSevere Thunderstorm WarningOAXLancaster49 min
Jul 2, 8:58 PM CDTSevere Thunderstorm WarningOAXMills32 min
Jul 2, 9:14 PM CDTSevere Thunderstorm WarningOAXSeward46 min
Jul 2, 9:36 PM CDTSevere Thunderstorm WarningOAXSaline39 min
Jul 2, 9:45 PM CDTSevere Thunderstorm WarningOAXLancaster30 min
Jul 2, 10:19 PM CDTSevere Thunderstorm WarningOAXSaline26 min

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 0.0 hours before the alert went out and 53 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, Omaha, NE at 00:00Z on 2000-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3429 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 2000-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 square meters per square second.193958Sfc1 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
3429 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
1279 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
1.0
Supercell composite
8.9

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

Nearby

Severe Thunderstorm Watches in Iowa, 2000Severe Thunderstorm Watches in Nebraska, 2000Severe Thunderstorm Watches in Missouri, 2000Every severe thunderstorm watch in 2000

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.