WEATHER
RISKS / HAZARDS DAYS 2 - 12
WEATHER ALERT TABLES UPDATED:
05/31/09 11:15 AM
7 NOTEWORTHY WEATHER EVENTS FOR
THE PERIOD
MAY 31 - JUNE 11
For
a GLOSSARY of the terms RISK / THREAT/ LIK4ELY terms Click HERE.
For a GLOSSARY of the terms of MODERATE / SIGNIFICANT / MAJOR terms Click
HERE.
GRAIN
REGIONS
| ALERT |
STATUS |
DATE
1ST
ISSUED |
LAST
UPDATED |
LOCATION |
VALID
FOR |
WEATHER |
CATEGORY |
PROBABILITY |
| A |
D |
3/27 |
5/31 |
EASTERN PACIFIC
from Gulf of Alaska to Baja
California |
1st HALF of JUNE |
LARGE POOL OF COLD
WATER
weakening |
SIGNIFICANT |
LIKELY |
|
B |
NC |
5/21 |
5/31 |
ENSO REGION 1+2 |
JUNE
JULY
AUG |
MODERATE
EL NINO |
MAJOR |
THREAT |
| C |
REF |
5/21 |
5/31 |
WEST COAST & GREAT BASIN |
to JUNE 10 |
WET &
COOL |
SIGNIFICANT |
LIKELY |
| D |
NEW |
5/31 |
* |
POLAR VORTEX in E. CANADA |
to
JUNE
10 |
several
cold fronts move into PLAINS
MIDWEST & NE |
MODERATE |
THREAT |
| E |
REF |
5/27 |
5/31 |
RIDGE sets up
TX to NC |
JUNE
1 - 10 |
HOT |
SIGNIFICANT |
THREAT |
| F |
UP |
5/27 |
5/31 |
UPPER PLAINS
MIDWEST |
JUNE
2-3 |
HEAVY RAIN
& STORMS |
SIGNIFICANT |
LIKELY |
| G |
NEW |
5/31 |
* |
UPPER & CENTRAL PLAINS
MIDWEST |
JUNE
6-7 |
HEAVY RAIN
& STORMS |
MAJOR |
THREAT |
| H |
NEW |
5/31 |
* |
UPPER & CENTRAL PLAINS
MIDWEST |
JUNE
8-10 |
HEAVY RAIN
& STORMS |
MAJOR |
RISK |
| STATUS
refers to the WEATHER ALERT BOX present status. There are 6
Categories: |
| NEW = |
New WX ALERT box issued |
| REF = |
REFINED "adjustment made based on some new
data |
| X = |
DISCONTINUED Weather Alert Box is ended/
cancelled ..Kaput! |
| D = |
DOWNGRADED because of EITHER the
PROBABILITY and/ or the CATEGORY |
| NC= |
NO CHANGE... No change to this weather Alert Box |
| U = |
UPGRADED Weather Alert Box is being Upgraded either because
of the PROBABILITY and/ or the CATEGORY |
DATE 1ST
ISSUED |
The DATE the WEATHER ALERT BOX was 1st
issued |
| LOCATION |
Geographical region(s). See maps on the Top of this page
|
| VALID FOR |
The Dates this WX ALERT Box is VALID for |
| WEATHER |
The actual weather conditions / "reasons" for the WX
ALERT Box is being issued |
PROBABILITY
|
Click HERE for
Definition of RISK
Click HERE for Definition of THREAT
Click HERE for Definition of LIKELY. |
| CATEGORY
|
WX Alerts Events are Classified by WxRisk into 3
Categories: MODERATE SIGNIFICANT
MAJOR . |
| |
MODERATE |
SIGNIFICANT |
MAJOR |
| RAIN |
0.25" to
0.50" |
0.50" to
1.25" |
> 1.25"+ |
| SNOW |
 |
|
|
| TEMPS |
+/- 2.0 degrees to
+/- 3.9 degrees |
+/- 4.0 degrees to
+/- 6.9 degrees |
+/- 7.0 degrees or More |
| WINDS |
15 to 30 MPH with higher
Gusts |
30 to 50 MPH with higher
gusts |
50 MPH or higher |
