Alert archive / New Mexico / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 848
The Storm Prediction Center issued this severe thunderstorm watch at Sep 29, 2004, 2:40 PM MDT for 6 counties in New Mexico; El Paso County, Hudspeth County, Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 29, 2004, 2:40 PM MDT (20:40 UTC)
- Expired
- Sep 29, 2004, 8:00 PM MDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
Counties Doña Ana County, NM, Grant County, NM, Hidalgo County, NM, Luna County, NM, Otero County, NM, Sierra County, NM, El Paso County, TX, Hudspeth County, TX
The radar
The El Paso radar (KEPZ), 81 km from the middle of the area, began a volume at 20:40 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
15 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 29, 3:09 PM MDT | Severe Thunderstorm Warning | EPZ | Grant, Hidalgo | 36 min |
| Sep 29, 3:21 PM MDT | Severe Thunderstorm Warning | EPZ | Doña Ana | 39 min |
| Sep 29, 3:42 PM MDT | Severe Thunderstorm Warning | EPZ | Grant, Hidalgo, Luna | 48 min |
| Sep 29, 3:42 PM MDT | Tornado Warning | EPZ | Doña Ana | 33 min |
| Sep 29, 3:50 PM MDT | Severe Thunderstorm Warning | EPZ | Doña Ana, Otero | 40 min |
| Sep 29, 3:59 PM MDT | Tornado Warning | EPZ | Doña Ana | 46 min |
| Sep 29, 4:25 PM MDT | Tornado Warning | EPZ | Otero | 35 min |
| Sep 29, 4:42 PM MDT | Severe Thunderstorm Warning | EPZ | Doña Ana | 48 min |
| Sep 29, 4:59 PM MDT | Flash Flood Warning | EPZ | Doña Ana | 76 min |
| Sep 29, 5:01 PM MDT | Tornado Warning | EPZ | Otero | 29 min |
| Sep 29, 5:33 PM MDT | Severe Thunderstorm Warning | EPZ | Otero | 42 min |
| Sep 29, 5:49 PM MDT | Severe Thunderstorm Warning | EPZ | Doña Ana | 56 min |
| Sep 29, 5:53 PM MDT | Tornado Warning | EPZ | Otero | 52 min |
| Sep 29, 6:18 PM MDT | Flash Flood Warning | EPZ | El Paso | 57 min |
| Sep 29, 6:46 PM MDT | Severe Thunderstorm Warning | EPZ | Doña Ana | 59 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Santa Teresa, NM (KEPZ), launched 12:00Z, 8.7 hours before the alert went out and 81 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
- 2 J/kg
- Mixed-layer CIN
- -193 J/kg
- Mixed-layer LCL
- 1044 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 29, 1:17 PM MDT | Mesoscale Discussion | SPC | Chaves, Doña Ana, Eddy, Grant, Lincoln, Luna and 2 more | 118 min |
| Sep 29, 5:07 PM MDT | Mesoscale Discussion | SPC | Doña Ana, Grant, Hidalgo, Luna, Otero, Sierra | 83 min |
Nearby
Severe Thunderstorm Watches in New Mexico, 2004Severe Thunderstorm Watches in Texas, 2004Every severe thunderstorm watch in 2004
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.