Alert archive / Colorado / Tornado Watches in 1998
Tornado Watch 312
The Storm Prediction Center issued this tornado watch at May 8, 1998, 2:30 PM MDT for 17 counties in Colorado; 14 counties in Kansas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 8, 1998, 2:30 PM MDT (20:30 UTC)
- Expired
- May 8, 1998, 8:00 PM MDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 31 counties
Adams County, CO, Arapahoe County, CO, Baca County, CO, Bent County, CO, Cheyenne County, CO, Crowley County, CO, Denver County, CO, Douglas County, CO, El Paso County, CO, Elbert County, CO, Kiowa County, CO, Kit Carson County, CO, Las Animas County, CO, Lincoln County, CO, Otero County, CO, Prowers County, CO, Pueblo County, CO, Cheyenne County, KS, Grant County, KS, Greeley County, KS, Hamilton County, KS, Haskell County, KS, Kearny County, KS, Logan County, KS, Morton County, KS, Seward County, KS, Sherman County, KS, Stanton County, KS, Stevens County, KS, Wallace County, KS, Wichita County, KS
The radar
The Goodland radar (KGLD), 104 km from the middle of the area, began a volume at 20:33 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.
Warnings issued inside it
5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 3:00 PM MDT | Tornado Warning | PUB | Otero | 60 min |
| May 8, 4:00 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Otero | 65 min |
| May 8, 4:11 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 59 min |
| May 8, 4:35 PM MDT | Severe Thunderstorm Warning | PUB | Bent | 60 min |
| May 8, 5:01 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 59 min |
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 8.5 hours before the alert went out and 133 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1711 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -49 m²/s²
- 0-3 km storm-relative helicity
- -45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
Nearby
Tornado Watches in Colorado, 1998Tornado Watches in Kansas, 1998Every tornado watch in 1998
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.